First checkpoint

2026-06-04 19:26:38 +05:00 · 2026-06-04 19:26:38 +05:00 · b08e71b3bb
commit b08e71b3bb
43 changed files with 1252 additions and 0 deletions
--- a/.env.example
+++ b/.env.example
@ -0,0 +1,7 @@
+PORT: 8080
+DB_URL: postgres://gis:gis@postgres:5432/gis?sslmode=disable
+S3_ENDPOINT: minio:9000
+S3_ACCESS_KEY: minioadmin
+S3_SECRET_KEY: minioadmin
+S3_BUCKET: geofiles
+S3_USE_SSL: "false"
--- a/.gitignore
+++ b/.gitignore
@ -0,0 +1,2 @@
+.env
+.claude
--- a/.idea/.gitignore
+++ b/.idea/.gitignore
@ -0,0 +1,8 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
--- a/.idea/dataSources.xml
+++ b/.idea/dataSources.xml
@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="DataSourceManagerImpl" format="xml" multifile-model="true">
+    <data-source source="LOCAL" name="gis@localhost" uuid="0b44c99f-aa96-4dad-ad42-9bac71e16d4c">
+      <driver-ref>postgresql</driver-ref>
+      <synchronize>true</synchronize>
+      <jdbc-driver>org.postgresql.Driver</jdbc-driver>
+      <jdbc-url>jdbc:postgresql://localhost:5432/gis</jdbc-url>
+      <jdbc-additional-properties>
+        <property name="com.intellij.clouds.kubernetes.db.host.port" />
+        <property name="com.intellij.clouds.kubernetes.db.enabled" value="false" />
+        <property name="com.intellij.clouds.kubernetes.db.container.port" />
+      </jdbc-additional-properties>
+      <working-dir>$ProjectFileDir$</working-dir>
+    </data-source>
+  </component>
+</project>
--- a/.idea/gis.iml
+++ b/.idea/gis.iml
@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="WEB_MODULE" version="4">
+  <component name="Go" enabled="true" />
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
--- a/.idea/modules.xml
+++ b/.idea/modules.xml
@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/gis.iml" filepath="$PROJECT_DIR$/.idea/gis.iml" />
+    </modules>
+  </component>
+</project>
--- a/.idea/sqldialects.xml
+++ b/.idea/sqldialects.xml
@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="SqlDialectMappings">
+    <file url="file://$PROJECT_DIR$/migrations/20260604134433_create_datasets_table.sql" dialect="GenericSQL" />
+    <file url="PROJECT" dialect="PostgreSQL" />
+  </component>
+</project>
--- a/.idea/vcs.xml
+++ b/.idea/vcs.xml
@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>
--- a/21
+++ b/21
@ -0,0 +1,21 @@
+FROM golang:1.26.1-alpine AS builder
+
+WORKDIR /app
+
+COPY go.mod go.sum ./
+RUN go mod download
+
+COPY . .
+RUN CGO_ENABLED=0 GOOS=linux go build -o /gis .
+
+FROM alpine:3.20
+
+RUN apk add --no-cache ca-certificates tzdata
+
+WORKDIR /app
+COPY --from=builder /gis .
+
+EXPOSE 8080
+
+ENTRYPOINT ["/app/gis"]
+CMD ["serve"]
--- a/app/config.go
+++ b/app/config.go
@ -0,0 +1,34 @@
+package app
+
+import (
+	"log"
+
+	"github.com/caarlos0/env/v11"
+	"github.com/joho/godotenv"
+)
+
+type Config struct {
+	Port  int    `env:"PORT" envDefault:"8080"`
+	DBURL string `env:"DB_URL"`
+
+	S3Endpoint  string `env:"S3_ENDPOINT"`
+	S3AccessKey string `env:"S3_ACCESS_KEY"`
+	S3SecretKey string `env:"S3_SECRET_KEY"`
+	S3Bucket    string `env:"S3_BUCKET" envDefault:"geofiles"`
+	S3UseSSL    bool   `env:"S3_USE_SSL" envDefault:"false"`
+}
+
+func loadConfig() (*Config, error) {
+
+	if err := godotenv.Load(); err != nil {
+		log.Println("No .env file found, relying on system env")
+	}
+
+	cfg := &Config{}
+
+	if err := env.Parse(cfg); err != nil {
+		return nil, err
+	}
+
+	return cfg, nil
+}
--- a/app/database.go
+++ b/app/database.go
@ -0,0 +1,29 @@
+package app
+
+import (
+	"context"
+
+	"github.com/jackc/pgx/v5/pgxpool"
+)
+
+type Store struct {
+	pool *pgxpool.Pool
+}
+
+func newDB(ctx context.Context, cfg *Config) (*Store, error) {
+	pool, err := pgxpool.New(ctx, cfg.DBURL)
+
+	if err != nil {
+		return nil, err
+	}
+
+	if err := pool.Ping(ctx); err != nil {
+		return nil, err
+	}
+
+	return &Store{pool: pool}, nil
+}
+
+func (s *Store) closeDB() {
+	s.pool.Close()
+}
--- a/app/init.go
+++ b/app/init.go
@ -0,0 +1,44 @@
+package app
+
+import (
+	"context"
+	"log"
+
+	"github.com/go-playground/validator/v10"
+	"github.com/jackc/pgx/v5/pgxpool"
+	"github.com/minio/minio-go/v7"
+)
+
+type App struct {
+	Ctx       context.Context
+	Cfg       *Config
+	Db        *pgxpool.Pool
+	S3        *minio.Client
+	Validator *validator.Validate
+}
+
+func NewApp(ctx context.Context) *App {
+	cfg, err := loadConfig()
+
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	db, err := newDB(ctx, cfg)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	s3, err := newS3Client(ctx, cfg)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	return &App{
+		Ctx:       ctx,
+		Cfg:       cfg,
+		Db:        db.pool,
+		S3:        s3,
+		Validator: validator.New(validator.WithRequiredStructEnabled()),
+	}
+}
--- a/app/storage.go
+++ b/app/storage.go
@ -0,0 +1,31 @@
+package app
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/minio/minio-go/v7"
+	"github.com/minio/minio-go/v7/pkg/credentials"
+)
+
+func newS3Client(ctx context.Context, cfg *Config) (*minio.Client, error) {
+	client, err := minio.New(cfg.S3Endpoint, &minio.Options{
+		Creds:  credentials.NewStaticV4(cfg.S3AccessKey, cfg.S3SecretKey, ""),
+		Secure: cfg.S3UseSSL,
+	})
+	if err != nil {
+		return nil, fmt.Errorf("s3 client: %w", err)
+	}
+
+	exists, err := client.BucketExists(ctx, cfg.S3Bucket)
+	if err != nil {
+		return nil, fmt.Errorf("s3 bucket check: %w", err)
+	}
+	if !exists {
+		if err := client.MakeBucket(ctx, cfg.S3Bucket, minio.MakeBucketOptions{}); err != nil {
+			return nil, fmt.Errorf("s3 make bucket: %w", err)
+		}
+	}
+
+	return client, nil
+}
--- a/cmd/root.go
+++ b/cmd/root.go
@ -0,0 +1,23 @@
+package cmd
+
+import (
+	"os"
+
+	"github.com/spf13/cobra"
+)
+
+var rootCmd = &cobra.Command{
+	Use:   "gis",
+	Short: "Microservices for parsing geo files to geojson",
+}
+
+func Execute() {
+	err := rootCmd.Execute()
+	if err != nil {
+		os.Exit(1)
+	}
+}
+
+func init() {
+	// rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.gis.yaml)")
+}
--- a/cmd/serve.go
+++ b/cmd/serve.go
@ -0,0 +1,72 @@
+package cmd
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"gis/app"
+	"gis/server"
+	"log"
+	"net/http"
+	"os"
+	"os/signal"
+	"syscall"
+	"time"
+
+	"github.com/spf13/cobra"
+)
+
+// serveCmd represents the serve command
+var serveCmd = &cobra.Command{
+	Use:   "serve",
+	Short: "Serve HTTP server",
+	Run: func(cmd *cobra.Command, args []string) {
+		application := app.NewApp(cmd.Context())
+
+		srv := &http.Server{
+			Addr:              fmt.Sprintf(":%d", application.Cfg.Port),
+			Handler:           server.AppRouter(application),
+			ReadHeaderTimeout: 5 * time.Second,
+			ReadTimeout:       120 * time.Second,
+			WriteTimeout:      120 * time.Second,
+			IdleTimeout:       60 * time.Second,
+		}
+
+		idleClosed := make(chan struct{})
+
+		go func() {
+			sigint := make(chan os.Signal, 1)
+			signal.Notify(sigint, os.Interrupt, syscall.SIGTERM)
+			<-sigint
+
+			ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+			defer cancel()
+
+			if err := srv.Shutdown(ctx); err != nil {
+				log.Printf("shutdown server error: %v", err)
+			}
+
+			close(idleClosed)
+		}()
+
+		if err := srv.ListenAndServe(); err != nil && !errors.Is(err, http.ErrServerClosed) {
+			log.Fatalf("listen: %s\n", err)
+		}
+
+		<-idleClosed
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(serveCmd)
+
+	// Here you will define your flags and configuration settings.
+
+	// Cobra supports Persistent Flags which will work for this command
+	// and all subcommands, e.g.:
+	// serveCmd.PersistentFlags().String("foo", "", "A help for foo")
+
+	// Cobra supports local flags which will only run when this command
+	// is called directly, e.g.:
+	// serveCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
+}
--- a/docker-compose.yml
+++ b/docker-compose.yml
@ -0,0 +1,58 @@
+services:
+  app:
+    build: .
+    ports:
+      - "8080:8080"
+    environment:
+      PORT: 8080
+      DB_URL: postgres://gis:gis@postgres:5432/gis?sslmode=disable
+      S3_ENDPOINT: minio:9000
+      S3_ACCESS_KEY: minioadmin
+      S3_SECRET_KEY: minioadmin
+      S3_BUCKET: geofiles
+      S3_USE_SSL: "false"
+    depends_on:
+      postgres:
+        condition: service_healthy
+      minio:
+        condition: service_healthy
+    restart: unless-stopped
+
+  postgres:
+    image: postgres:17
+    environment:
+      POSTGRES_USER: gis
+      POSTGRES_PASSWORD: gis
+      POSTGRES_DB: gis
+    ports:
+      - "5432:5432"
+    volumes:
+      - postgres_data:/var/lib/postgresql/data
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U gis -d gis"]
+      interval: 5s
+      timeout: 5s
+      retries: 5
+    restart: unless-stopped
+
+  minio:
+    image: minio/minio:latest
+    command: server /data --console-address ":9001"
+    ports:
+      - "9000:9000"
+      - "9001:9001"
+    environment:
+      MINIO_ROOT_USER: minioadmin
+      MINIO_ROOT_PASSWORD: minioadmin
+    volumes:
+      - minio_data:/data
+    healthcheck:
+      test: ["CMD", "mc", "ready", "local"]
+      interval: 5s
+      timeout: 5s
+      retries: 5
+    restart: unless-stopped
+
+volumes:
+  postgres_data:
+  minio_data:
--- a/go.mod
+++ b/go.mod
@ -0,0 +1,44 @@
+module gis
+
+go 1.26.1
+
+require (
+	github.com/caarlos0/env/v11 v11.4.1
+	github.com/go-playground/validator/v10 v10.30.3
+	github.com/jackc/pgx/v5 v5.10.0
+	github.com/joho/godotenv v1.5.1
+	github.com/minio/minio-go/v7 v7.2.0
+	github.com/spf13/cobra v1.10.2
+)
+
+require (
+	github.com/cespare/xxhash/v2 v2.3.0 // indirect
+	github.com/dustin/go-humanize v1.0.1 // indirect
+	github.com/gabriel-vasile/mimetype v1.4.13 // indirect
+	github.com/go-playground/locales v0.14.1 // indirect
+	github.com/go-playground/universal-translator v0.18.1 // indirect
+	github.com/google/uuid v1.6.0 // indirect
+	github.com/inconshreveable/mousetrap v1.1.0 // indirect
+	github.com/jackc/pgpassfile v1.0.0 // indirect
+	github.com/jackc/pgservicefile v0.0.0-20240606120523-5a60cdf6a761 // indirect
+	github.com/jackc/puddle/v2 v2.2.2 // indirect
+	github.com/klauspost/compress v1.18.6 // indirect
+	github.com/klauspost/cpuid/v2 v2.2.11 // indirect
+	github.com/klauspost/crc32 v1.3.0 // indirect
+	github.com/kr/text v0.2.0 // indirect
+	github.com/leodido/go-urn v1.4.0 // indirect
+	github.com/minio/crc64nvme v1.1.1 // indirect
+	github.com/minio/md5-simd v1.1.2 // indirect
+	github.com/philhofer/fwd v1.2.0 // indirect
+	github.com/rs/xid v1.6.0 // indirect
+	github.com/spf13/pflag v1.0.10 // indirect
+	github.com/tinylib/msgp v1.6.1 // indirect
+	github.com/zeebo/xxh3 v1.1.0 // indirect
+	go.yaml.in/yaml/v3 v3.0.4 // indirect
+	golang.org/x/crypto v0.52.0 // indirect
+	golang.org/x/net v0.54.0 // indirect
+	golang.org/x/sync v0.20.0 // indirect
+	golang.org/x/sys v0.45.0 // indirect
+	golang.org/x/text v0.37.0 // indirect
+	gopkg.in/ini.v1 v1.67.2 // indirect
+)
--- a/go.sum
+++ b/go.sum
@ -0,0 +1,105 @@
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+golang.org/x/net v0.54.0 h1:2zJIZAxAHV/OHCDTCOHAYehQzLfSXuf/5SoL/Dv6w/w=
+golang.org/x/net v0.54.0/go.mod h1:Sj4oj8jK6XmHpBZU/zWHw3BV3abl4Kvi+Ut7cQcY+cQ=
+golang.org/x/sync v0.20.0 h1:e0PTpb7pjO8GAtTs2dQ6jYa5BWYlMuX047Dco/pItO4=
+golang.org/x/sync v0.20.0/go.mod h1:9xrNwdLfx4jkKbNva9FpL6vEN7evnE43NNNJQ2LF3+0=
+golang.org/x/sys v0.45.0 h1:dO4czNzziLiiXplLQgBCEpCvXQ3dnkn0SdaZSYdQ+FY=
+golang.org/x/sys v0.45.0/go.mod h1:4GL1E5IUh+htKOUEOaiffhrAeqysfVGipDYzABqnCmw=
+golang.org/x/text v0.37.0 h1:Cqjiwd9eSg8e0QAkyCaQTNHFIIzWtidPahFWR83rTrc=
+golang.org/x/text v0.37.0/go.mod h1:a5sjxXGs9hsn/AJVwuElvCAo9v8QYLzvavO5z2PiM38=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
+gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
+gopkg.in/ini.v1 v1.67.2 h1:JtOSMb9OuaCZKr7h5D/h6iii14sK0hLbplTc6frx4Ss=
+gopkg.in/ini.v1 v1.67.2/go.mod h1:x/cyOwCgZqOkJoDIJ3c1KNHMo10+nLGAhh+kn3Zizss=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
--- a/main.go
+++ b/main.go
@ -0,0 +1,11 @@
+/*
+Copyright © 2026 NAME HERE <EMAIL ADDRESS>
+
+*/
+package main
+
+import "gis/cmd"
+
+func main() {
+	cmd.Execute()
+}
--- a/migrations/20260604134433_create_datasets_table.sql
+++ b/migrations/20260604134433_create_datasets_table.sql
@ -0,0 +1,11 @@
+-- +goose Up
+CREATE TABLE datasets (
+    id UUID PRIMARY KEY default gen_random_uuid(),
+    name varchar(255),
+    description text,
+    created_at timestamp default now(),
+    updated_at timestamp default now()
+);
+
+-- +goose Down
+DROP TABLE datasets;
--- a/migrations/20260604141221_create_categories_table.sql
+++ b/migrations/20260604141221_create_categories_table.sql
@ -0,0 +1,12 @@
+-- +goose Up
+CREATE TABLE categories
+(
+    id          UUID PRIMARY KEY default gen_random_uuid(),
+    name        varchar(255),
+    description text,
+    created_at  timestamp        default now(),
+    updated_at  timestamp        default now()
+);
+
+-- +goose Down
+DROP TABLE categories;
--- a/migrations/20260604141656_create_files_table.sql
+++ b/migrations/20260604141656_create_files_table.sql
@ -0,0 +1,22 @@
+-- +goose Up
+CREATE TYPE file_type AS ENUM ('vector_with_table', 'vector', 'raster');
+CREATE TYPE file_validation_status AS ENUM ('pending', 'valid', 'failed');
+
+CREATE TABLE files (
+    id                UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    filename          VARCHAR(255) NOT NULL,
+    storage_key       TEXT NOT NULL,
+    file_type         file_type NOT NULL,
+    validation_status file_validation_status NOT NULL DEFAULT 'pending',
+    validation_error  TEXT,
+    kato_column       VARCHAR(255),
+    crs               VARCHAR(64),
+    feature_count     INTEGER,
+    uploaded_at       TIMESTAMP NOT NULL DEFAULT now(),
+    updated_at        TIMESTAMP NOT NULL DEFAULT now()
+);
+
+-- +goose Down
+DROP TABLE files;
+DROP TYPE file_validation_status;
+DROP TYPE file_type;
--- a/server/categories/create.go
+++ b/server/categories/create.go
@ -0,0 +1,38 @@
+package categories
+
+import (
+	"gis/app"
+	"gis/server/httputil"
+	"net/http"
+)
+
+type CreateCategoryRequest struct {
+	Name        string `json:"name" validate:"required,max=255"`
+	Description string `json:"description" validate:"required"`
+}
+
+func createCategoryRoute(application *app.App) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		req, err := httputil.DecodeJSON[CreateCategoryRequest](w, r)
+		if err != nil {
+			http.Error(w, "Invalid request", http.StatusBadRequest)
+			return
+		}
+
+		if err := application.Validator.Struct(req); err != nil {
+			httputil.WriteValidationErrors(w, err)
+			return
+		}
+
+		_, err = application.Db.Exec(application.Ctx,
+			"INSERT INTO categories (name, description) VALUES ($1, $2)",
+			req.Name, req.Description,
+		)
+		if err != nil {
+			w.WriteHeader(http.StatusInternalServerError)
+			return
+		}
+
+		w.WriteHeader(http.StatusCreated)
+	}
+}
--- a/server/categories/delete.go
+++ b/server/categories/delete.go
@ -0,0 +1,27 @@
+package categories
+
+import (
+	"gis/app"
+	"net/http"
+)
+
+func deleteCategoryRoute(application *app.App) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		id := r.PathValue("id")
+
+		tag, err := application.Db.Exec(application.Ctx,
+			"DELETE FROM categories WHERE id=$1",
+			id,
+		)
+		if err != nil {
+			w.WriteHeader(http.StatusInternalServerError)
+			return
+		}
+		if tag.RowsAffected() == 0 {
+			w.WriteHeader(http.StatusNotFound)
+			return
+		}
+
+		w.WriteHeader(http.StatusNoContent)
+	}
+}
--- a/server/categories/index.go
+++ b/server/categories/index.go
@ -0,0 +1,39 @@
+package categories
+
+import (
+	"encoding/json"
+	"gis/app"
+	"net/http"
+)
+
+func listCategoriesRoute(application *app.App) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Type", "application/json")
+
+		rows, err := application.Db.Query(application.Ctx, "SELECT id, name FROM categories")
+		if err != nil {
+			w.WriteHeader(http.StatusInternalServerError)
+			return
+		}
+		defer rows.Close()
+
+		cats := make([]Category, 0)
+		for rows.Next() {
+			var c Category
+			if err := rows.Scan(&c.ID, &c.Name); err != nil {
+				w.WriteHeader(http.StatusInternalServerError)
+				return
+			}
+			cats = append(cats, c)
+		}
+		if err := rows.Err(); err != nil {
+			w.WriteHeader(http.StatusInternalServerError)
+			return
+		}
+
+		if err := json.NewEncoder(w).Encode(map[string][]Category{"data": cats}); err != nil {
+			w.WriteHeader(http.StatusInternalServerError)
+			return
+		}
+	}
+}
--- a/server/categories/routes.go
+++ b/server/categories/routes.go
@ -0,0 +1,13 @@
+package categories
+
+import (
+	"gis/app"
+	"net/http"
+)
+
+func AddCategoriesRoutes(application *app.App, mux *http.ServeMux) {
+	mux.HandleFunc("GET /categories", listCategoriesRoute(application))
+	mux.HandleFunc("POST /categories", createCategoryRoute(application))
+	mux.HandleFunc("PUT /categories/{id}", updateCategoryRoute(application))
+	mux.HandleFunc("DELETE /categories/{id}", deleteCategoryRoute(application))
+}
--- a/server/categories/types.go
+++ b/server/categories/types.go
@ -0,0 +1,6 @@
+package categories
+
+type Category struct {
+	ID   string `json:"id"`
+	Name string `json:"name"`
+}
--- a/server/categories/update.go
+++ b/server/categories/update.go
@ -0,0 +1,44 @@
+package categories
+
+import (
+	"gis/app"
+	"gis/server/httputil"
+	"net/http"
+)
+
+type UpdateCategoryRequest struct {
+	Name        string `json:"name" validate:"required,max=255"`
+	Description string `json:"description" validate:"required"`
+}
+
+func updateCategoryRoute(application *app.App) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		id := r.PathValue("id")
+
+		req, err := httputil.DecodeJSON[UpdateCategoryRequest](w, r)
+		if err != nil {
+			http.Error(w, "Invalid request", http.StatusBadRequest)
+			return
+		}
+
+		if err := application.Validator.Struct(req); err != nil {
+			httputil.WriteValidationErrors(w, err)
+			return
+		}
+
+		tag, err := application.Db.Exec(application.Ctx,
+			"UPDATE categories SET name=$1, description=$2, updated_at=now() WHERE id=$3",
+			req.Name, req.Description, id,
+		)
+		if err != nil {
+			w.WriteHeader(http.StatusInternalServerError)
+			return
+		}
+		if tag.RowsAffected() == 0 {
+			w.WriteHeader(http.StatusNotFound)
+			return
+		}
+
+		w.WriteHeader(http.StatusNoContent)
+	}
+}
--- a/server/datasets/create.go
+++ b/server/datasets/create.go
@ -0,0 +1,30 @@
+package datasets
+
+import (
+	"gis/app"
+	"gis/server/httputil"
+	"net/http"
+)
+
+type CreateDatasetRequest struct {
+	Name        string `json:"name" validate:"required,max=255"`
+	Description string `json:"description" validate:"required"`
+}
+
+func createDatasetRoute(application *app.App) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		req, err := httputil.DecodeJSON[CreateDatasetRequest](w, r)
+
+		if err != nil {
+			http.Error(w, "Invalid request", http.StatusBadRequest)
+			return
+		}
+
+		if err := application.Validator.Struct(req); err != nil {
+			httputil.WriteValidationErrors(w, err)
+			return
+		}
+
+		w.WriteHeader(http.StatusCreated)
+	}
+}
--- a/server/datasets/delete.go
+++ b/server/datasets/delete.go
@ -0,0 +1,27 @@
+package datasets
+
+import (
+	"gis/app"
+	"net/http"
+)
+
+func deleteDatasetRoute(application *app.App) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		id := r.PathValue("id")
+
+		tag, err := application.Db.Exec(application.Ctx,
+			"DELETE FROM datasets WHERE id=$1",
+			id,
+		)
+		if err != nil {
+			w.WriteHeader(http.StatusInternalServerError)
+			return
+		}
+		if tag.RowsAffected() == 0 {
+			w.WriteHeader(http.StatusNotFound)
+			return
+		}
+
+		w.WriteHeader(http.StatusNoContent)
+	}
+}
--- a/server/datasets/index.go
+++ b/server/datasets/index.go
@ -0,0 +1,45 @@
+package datasets
+
+import (
+	"encoding/json"
+	"gis/app"
+	"net/http"
+)
+
+func listDatasetsRoute(application *app.App) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Type", "application/json")
+
+		rows, err := application.Db.Query(application.Ctx, "select id, name from datasets")
+
+		if err != nil {
+			w.WriteHeader(http.StatusInternalServerError)
+			return
+		}
+
+		defer rows.Close()
+
+		datasets := make([]Dataset, 0)
+
+		for rows.Next() {
+			var dataset Dataset
+			if err := rows.Scan(&dataset.ID, &dataset.Name); err != nil {
+				w.WriteHeader(http.StatusInternalServerError)
+				return
+			}
+			datasets = append(datasets, dataset)
+		}
+
+		if err := rows.Err(); err != nil {
+			w.WriteHeader(http.StatusInternalServerError)
+			return
+		}
+
+		err = json.NewEncoder(w).Encode(map[string][]Dataset{"data": datasets})
+
+		if err != nil {
+			w.WriteHeader(http.StatusInternalServerError)
+			return
+		}
+	}
+}
--- a/server/datasets/routes.go
+++ b/server/datasets/routes.go
@ -0,0 +1,13 @@
+package datasets
+
+import (
+	"gis/app"
+	"net/http"
+)
+
+func AddDatasetsRoutes(application *app.App, mux *http.ServeMux) {
+	mux.HandleFunc("GET /datasets", listDatasetsRoute(application))
+	mux.HandleFunc("POST /datasets", createDatasetRoute(application))
+	mux.HandleFunc("PUT /datasets/{id}", updateDatasetRoute(application))
+	mux.HandleFunc("DELETE /datasets/{id}", deleteDatasetRoute(application))
+}
--- a/server/datasets/types.go
+++ b/server/datasets/types.go
@ -0,0 +1,6 @@
+package datasets
+
+type Dataset struct {
+	ID   string `json:"id"`
+	Name string `json:"name"`
+}
--- a/server/datasets/update.go
+++ b/server/datasets/update.go
@ -0,0 +1,44 @@
+package datasets
+
+import (
+	"gis/app"
+	"gis/server/httputil"
+	"net/http"
+)
+
+type UpdateDatasetRequest struct {
+	Name        string `json:"name" validate:"required,max=255"`
+	Description string `json:"description" validate:"required"`
+}
+
+func updateDatasetRoute(application *app.App) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		id := r.PathValue("id")
+
+		req, err := httputil.DecodeJSON[UpdateDatasetRequest](w, r)
+		if err != nil {
+			http.Error(w, "Invalid request", http.StatusBadRequest)
+			return
+		}
+
+		if err := application.Validator.Struct(req); err != nil {
+			httputil.WriteValidationErrors(w, err)
+			return
+		}
+
+		tag, err := application.Db.Exec(application.Ctx,
+			"UPDATE datasets SET name=$1, description=$2, updated_at=now() WHERE id=$3",
+			req.Name, req.Description, id,
+		)
+		if err != nil {
+			w.WriteHeader(http.StatusInternalServerError)
+			return
+		}
+		if tag.RowsAffected() == 0 {
+			w.WriteHeader(http.StatusNotFound)
+			return
+		}
+
+		w.WriteHeader(http.StatusNoContent)
+	}
+}
--- a/server/files/delete.go
+++ b/server/files/delete.go
@ -0,0 +1,49 @@
+package files
+
+import (
+	"errors"
+	"gis/app"
+	"gis/server/httputil"
+	"net/http"
+
+	"github.com/jackc/pgx/v5"
+	"github.com/minio/minio-go/v7"
+)
+
+func deleteFileRoute(application *app.App) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		id := r.PathValue("file_id")
+
+		var storageKey string
+		err := application.Db.QueryRow(r.Context(),
+			"SELECT storage_key FROM files WHERE id=$1",
+			id,
+		).Scan(&storageKey)
+		if errors.Is(err, pgx.ErrNoRows) {
+			httputil.WriteJSON(w, http.StatusNotFound, map[string]string{"error": "not found"})
+			return
+		}
+		if err != nil {
+			w.WriteHeader(http.StatusInternalServerError)
+			return
+		}
+
+		if err := application.S3.RemoveObject(
+			r.Context(),
+			application.Cfg.S3Bucket,
+			storageKey,
+			minio.RemoveObjectOptions{},
+		); err != nil {
+			w.WriteHeader(http.StatusInternalServerError)
+			return
+		}
+
+		_, err = application.Db.Exec(r.Context(), "DELETE FROM files WHERE id=$1", id)
+		if err != nil {
+			w.WriteHeader(http.StatusInternalServerError)
+			return
+		}
+
+		w.WriteHeader(http.StatusNoContent)
+	}
+}
--- a/server/files/get.go
+++ b/server/files/get.go
@ -0,0 +1,39 @@
+package files
+
+import (
+	"errors"
+	"gis/app"
+	"gis/server/httputil"
+	"net/http"
+
+	"github.com/jackc/pgx/v5"
+)
+
+func getFileRoute(application *app.App) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		id := r.PathValue("file_id")
+
+		var gf GeoFile
+		err := application.Db.QueryRow(r.Context(),
+			`SELECT id, filename, file_type, validation_status,
+			        validation_error, kato_column, crs, feature_count,
+			        uploaded_at, updated_at
+			 FROM files WHERE id=$1`,
+			id,
+		).Scan(
+			&gf.ID, &gf.Filename, &gf.FileType, &gf.ValidationStatus,
+			&gf.ValidationError, &gf.KatoColumn, &gf.CRS, &gf.FeatureCount,
+			&gf.UploadedAt, &gf.UpdatedAt,
+		)
+		if errors.Is(err, pgx.ErrNoRows) {
+			httputil.WriteJSON(w, http.StatusNotFound, map[string]string{"error": "not found"})
+			return
+		}
+		if err != nil {
+			w.WriteHeader(http.StatusInternalServerError)
+			return
+		}
+
+		httputil.WriteJSON(w, http.StatusOK, gf)
+	}
+}
--- a/server/files/routes.go
+++ b/server/files/routes.go
@ -0,0 +1,12 @@
+package files
+
+import (
+	"gis/app"
+	"net/http"
+)
+
+func AddFilesRoutes(application *app.App, mux *http.ServeMux) {
+	mux.HandleFunc("POST /files", uploadFileRoute(application))
+	mux.HandleFunc("GET /files/{file_id}", getFileRoute(application))
+	mux.HandleFunc("DELETE /files/{file_id}", deleteFileRoute(application))
+}
--- a/server/files/types.go
+++ b/server/files/types.go
@ -0,0 +1,40 @@
+package files
+
+import "time"
+
+type FileType string
+
+const (
+	FileTypeVectorWithTable FileType = "vector_with_table"
+	FileTypeVector          FileType = "vector"
+	FileTypeRaster          FileType = "raster"
+)
+
+type ValidationStatus string
+
+const (
+	ValidationStatusPending ValidationStatus = "pending"
+	ValidationStatusValid   ValidationStatus = "valid"
+	ValidationStatusFailed  ValidationStatus = "failed"
+)
+
+type GeoFile struct {
+	ID               string           `json:"id"`
+	Filename         string           `json:"filename"`
+	FileType         FileType         `json:"file_type"`
+	ValidationStatus ValidationStatus `json:"validation_status"`
+	ValidationError  *string          `json:"validation_error"`
+	KatoColumn       *string          `json:"kato_column"`
+	CRS              *string          `json:"crs"`
+	FeatureCount     *int             `json:"feature_count"`
+	UploadedAt       time.Time        `json:"uploaded_at"`
+	UpdatedAt        time.Time        `json:"updated_at"`
+}
+
+var allowedExtensions = map[string]FileType{
+	".zip":     FileTypeVectorWithTable,
+	".geojson": FileTypeVectorWithTable,
+	".gpkg":    FileTypeVectorWithTable,
+	".tif":     FileTypeRaster,
+	".tiff":    FileTypeRaster,
+}
--- a/server/files/upload.go
+++ b/server/files/upload.go
@ -0,0 +1,85 @@
+package files
+
+import (
+	"fmt"
+	"gis/app"
+	"gis/server/httputil"
+	"net/http"
+	"path/filepath"
+	"strings"
+	"time"
+
+	"github.com/minio/minio-go/v7"
+)
+
+func uploadFileRoute(application *app.App) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		if err := r.ParseMultipartForm(64 << 20); err != nil {
+			httputil.WriteJSON(w, http.StatusBadRequest, map[string]string{"error": "request too large or not multipart"})
+			return
+		}
+
+		rawFileType := r.FormValue("file_type")
+		if rawFileType == "" {
+			httputil.WriteJSON(w, http.StatusUnprocessableEntity, map[string]string{"error": "file_type is required"})
+			return
+		}
+		ft := FileType(rawFileType)
+		if ft != FileTypeVectorWithTable && ft != FileTypeVector && ft != FileTypeRaster {
+			httputil.WriteJSON(w, http.StatusUnprocessableEntity, map[string]string{"error": "invalid file_type"})
+			return
+		}
+
+		f, header, err := r.FormFile("file")
+		if err != nil {
+			httputil.WriteJSON(w, http.StatusBadRequest, map[string]string{"error": "file is required"})
+			return
+		}
+		defer f.Close()
+
+		ext := strings.ToLower(filepath.Ext(header.Filename))
+		if ext == "" {
+			httputil.WriteJSON(w, http.StatusBadRequest, map[string]string{"error": "unsupported file format"})
+			return
+		}
+		if _, ok := allowedExtensions[ext]; !ok {
+			httputil.WriteJSON(w, http.StatusBadRequest, map[string]string{"error": "unsupported file format"})
+			return
+		}
+
+		storageKey := fmt.Sprintf("%d_%s", time.Now().UnixNano(), header.Filename)
+
+		_, err = application.S3.PutObject(
+			r.Context(),
+			application.Cfg.S3Bucket,
+			storageKey,
+			f,
+			header.Size,
+			minio.PutObjectOptions{ContentType: header.Header.Get("Content-Type")},
+		)
+		if err != nil {
+			httputil.WriteJSON(w, http.StatusInternalServerError, map[string]string{"error": "failed to store file"})
+			return
+		}
+
+		var gf GeoFile
+		err = application.Db.QueryRow(r.Context(),
+			`INSERT INTO files (filename, storage_key, file_type)
+			 VALUES ($1, $2, $3)
+			 RETURNING id, filename, file_type, validation_status,
+			           validation_error, kato_column, crs, feature_count,
+			           uploaded_at, updated_at`,
+			header.Filename, storageKey, ft,
+		).Scan(
+			&gf.ID, &gf.Filename, &gf.FileType, &gf.ValidationStatus,
+			&gf.ValidationError, &gf.KatoColumn, &gf.CRS, &gf.FeatureCount,
+			&gf.UploadedAt, &gf.UpdatedAt,
+		)
+		if err != nil {
+			httputil.WriteJSON(w, http.StatusInternalServerError, map[string]string{"error": "failed to save file record"})
+			return
+		}
+
+		httputil.WriteJSON(w, http.StatusAccepted, gf)
+	}
+}
--- a/server/helpers.go
+++ b/server/helpers.go
@ -0,0 +1,18 @@
+package server
+
+import (
+	"gis/server/httputil"
+	"net/http"
+)
+
+func writeJSON(w http.ResponseWriter, status int, data any) {
+	httputil.WriteJSON(w, status, data)
+}
+
+func decodeJSON[T any](w http.ResponseWriter, r *http.Request) (T, error) {
+	return httputil.DecodeJSON[T](w, r)
+}
+
+func writeValidationErrors(w http.ResponseWriter, err error) {
+	httputil.WriteValidationErrors(w, err)
+}
--- a/server/httputil/httputil.go
+++ b/server/httputil/httputil.go
@ -0,0 +1,62 @@
+package httputil
+
+import (
+	"encoding/json"
+	"errors"
+	"fmt"
+	"net/http"
+
+	"github.com/go-playground/validator/v10"
+)
+
+func WriteJSON(w http.ResponseWriter, status int, data any) {
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(status)
+	_ = json.NewEncoder(w).Encode(data)
+}
+
+func DecodeJSON[T any](w http.ResponseWriter, r *http.Request) (T, error) {
+	var v T
+	r.Body = http.MaxBytesReader(w, r.Body, 1<<20)
+
+	dec := json.NewDecoder(r.Body)
+	dec.DisallowUnknownFields()
+
+	if err := dec.Decode(&v); err != nil {
+		return v, err
+	}
+	return v, nil
+}
+
+func WriteValidationErrors(w http.ResponseWriter, err error) {
+	var ve validator.ValidationErrors
+	if !errors.As(err, &ve) {
+		WriteJSON(w, http.StatusBadRequest, map[string]string{"error": "invalid request"})
+		return
+	}
+
+	problems := make(map[string]string, len(ve))
+	for _, fe := range ve {
+		problems[fe.Field()] = messageForTag(fe)
+	}
+	WriteJSON(w, http.StatusBadRequest, map[string]any{"errors": problems})
+}
+
+func messageForTag(fe validator.FieldError) string {
+	switch fe.Tag() {
+	case "required":
+		return "is required"
+	case "email":
+		return "must be a valid email address"
+	case "min":
+		return fmt.Sprintf("must be at least %s characters", fe.Param())
+	case "max":
+		return fmt.Sprintf("must be at most %s characters", fe.Param())
+	case "gte":
+		return fmt.Sprintf("must be %s or greater", fe.Param())
+	case "lte":
+		return fmt.Sprintf("must be %s or less", fe.Param())
+	default:
+		return "is invalid"
+	}
+}
--- a/server/router.go
+++ b/server/router.go
@ -0,0 +1,20 @@
+package server
+
+import (
+	"gis/app"
+	"gis/server/categories"
+	"gis/server/datasets"
+	"gis/server/files"
+	"net/http"
+)
+
+func AppRouter(application *app.App) http.Handler {
+	mux := http.NewServeMux()
+
+	mux.Handle("GET /up", upRoute(application))
+	datasets.AddDatasetsRoutes(application, mux)
+	categories.AddCategoriesRoutes(application, mux)
+	files.AddFilesRoutes(application, mux)
+
+	return mux
+}
--- a/server/up.go
+++ b/server/up.go
@ -0,0 +1,14 @@
+package server
+
+import (
+	"encoding/json"
+	"gis/app"
+	"net/http"
+)
+
+func upRoute(application *app.App) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Type", "application/json")
+		json.NewEncoder(w).Encode(map[string]string{"status": "ok"})
+	}
+}