Initial commit: Orchard content-addressable storage system

- Go server with Gin framework
- PostgreSQL for metadata storage
- MinIO/S3 for artifact storage with SHA256 content addressing
- REST API for grove/tree/fruit operations
- Web UI for managing artifacts
- Docker Compose setup for local development

docker-compose.yml

@@ -0,0 +1,116 @@
+version: '3.8'
+
+services:
+  orchard-server:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    ports:
+      - "8080:8080"
+    environment:
+      - ORCHARD_SERVER_HOST=0.0.0.0
+      - ORCHARD_SERVER_PORT=8080
+      - ORCHARD_DATABASE_HOST=postgres
+      - ORCHARD_DATABASE_PORT=5432
+      - ORCHARD_DATABASE_USER=orchard
+      - ORCHARD_DATABASE_PASSWORD=orchard_secret
+      - ORCHARD_DATABASE_DBNAME=orchard
+      - ORCHARD_DATABASE_SSLMODE=disable
+      - ORCHARD_S3_ENDPOINT=http://minio:9000
+      - ORCHARD_S3_REGION=us-east-1
+      - ORCHARD_S3_BUCKET=orchard-artifacts
+      - ORCHARD_S3_ACCESS_KEY_ID=minioadmin
+      - ORCHARD_S3_SECRET_ACCESS_KEY=minioadmin
+      - ORCHARD_S3_USE_PATH_STYLE=true
+      - ORCHARD_REDIS_HOST=redis
+      - ORCHARD_REDIS_PORT=6379
+    depends_on:
+      postgres:
+        condition: service_healthy
+      minio:
+        condition: service_healthy
+      redis:
+        condition: service_healthy
+    networks:
+      - orchard-network
+    restart: unless-stopped
+
+  postgres:
+    image: postgres:16-alpine
+    environment:
+      - POSTGRES_USER=orchard
+      - POSTGRES_PASSWORD=orchard_secret
+      - POSTGRES_DB=orchard
+    volumes:
+      - postgres-data:/var/lib/postgresql/data
+      - ./migrations:/docker-entrypoint-initdb.d:ro
+    ports:
+      - "5432:5432"
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U orchard -d orchard"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+    networks:
+      - orchard-network
+    restart: unless-stopped
+
+  minio:
+    image: minio/minio:latest
+    command: server /data --console-address ":9001"
+    environment:
+      - MINIO_ROOT_USER=minioadmin
+      - MINIO_ROOT_PASSWORD=minioadmin
+    volumes:
+      - minio-data:/data
+    ports:
+      - "9000:9000"
+      - "9001:9001"
+    healthcheck:
+      test: ["CMD", "mc", "ready", "local"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+    networks:
+      - orchard-network
+    restart: unless-stopped
+
+  minio-init:
+    image: minio/mc:latest
+    depends_on:
+      minio:
+        condition: service_healthy
+    entrypoint: >
+      /bin/sh -c "
+      mc alias set myminio http://minio:9000 minioadmin minioadmin;
+      mc mb myminio/orchard-artifacts --ignore-existing;
+      mc anonymous set download myminio/orchard-artifacts;
+      exit 0;
+      "
+    networks:
+      - orchard-network
+
+  redis:
+    image: redis:7-alpine
+    command: redis-server --appendonly yes
+    volumes:
+      - redis-data:/data
+    ports:
+      - "6379:6379"
+    healthcheck:
+      test: ["CMD", "redis-cli", "ping"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+    networks:
+      - orchard-network
+    restart: unless-stopped
+
+volumes:
+  postgres-data:
+  minio-data:
+  redis-data:
+
+networks:
+  orchard-network:
+    driver: bridge