Second checkpoint

configs/.env.example

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+# Copy to .env at the repo root and adjust as needed: cp configs/.env.example .env
+
+# HTTP server
+PORT=8080
+
+# Postgres
+DB_URL=postgres://gis:gis@127.0.0.1:5432/gis?sslmode=disable
+# Schema that migrations operate on (used by `gis migrate fresh`).
+DB_SCHEMA=public
+
+# goose CLI (the `gis migrate` subcommand uses DB_URL directly; these are for the
+# standalone goose CLI only)
+GOOSE_DRIVER=postgres
+GOOSE_DBSTRING=postgres://gis:gis@127.0.0.1:5432/gis?sslmode=disable
+GOOSE_MIGRATION_DIR=migrations
+
+# S3 / MinIO
+S3_ENDPOINT=127.0.0.1:9000
+S3_ACCESS_KEY=minioadmin
+S3_SECRET_KEY=minioadmin
+S3_BUCKET=geofiles
+S3_USE_SSL=false
+
+# RabbitMQ
+RABBITMQ_URL=amqp://guest:guest@127.0.0.1:5672/
+RABBITMQ_EXCHANGE=gis.events
+RABBITMQ_QUEUE=gis.events.example
+
+# Host port mapping for the postgres container (docker-compose)
+DB_PORT=5432