feat: add docker configuration

docker-compose.yml

@@ -0,0 +1,71 @@
+services:
+  backend:
+    image: backend
+    build:
+      context: .
+      dockerfile: ./Dockerfile.backend
+    environment:
+      - "Database:Url=Host=pgbouncer;Database=postgres;Username=postgres;Password=postgres"
+      - "Database:EnablePooling=false"
+      - "Host=0.0.0.0"
+      - "Port=5000"
+    restart: unless-stopped
+    volumes:
+      - ./docker/config.ini:/app/config.ini
+
+  frontend:
+    image: frontend
+    build: ./Foxnouns.Frontend
+    environment:
+      - "API_BASE=http://rate:5003/api"
+    restart: unless-stopped
+    volumes:
+      - ./docker/frontend.env:/app/.env
+
+  rate:
+    image: rate
+    build: ./rate
+    environment:
+      - "PORT=5003"
+    restart: unless-stopped
+    volumes:
+      - ./docker/proxy-config.json:/app/proxy-config.json
+
+  pgbouncer:
+    image: docker.io/edoburu/pgbouncer:latest
+    environment:
+      - "DATABASE_URL=postgres://postgres:postgres@postgres/postgres"
+      - "AUTH_TYPE=scram-sha-256"
+      - "MAX_CLIENT_CONN=100"
+      - "DEFAULT_POOL_SIZE=100"
+      - "MIN_POOL_SIZE=10"
+    restart: unless-stopped
+
+  postgres:
+    image: docker.io/postgres:16
+    command: [ "postgres",
+               "-c", "max-connections=1000",
+               "-c", "timezone=Etc/UTC",
+               "-c", "max_wal_size=1GB",
+               "-c", "min_wal_size=80MB",
+               "-c", "shared_buffers=128MB" ]
+    environment:
+      - "POSTGRES_PASSWORD=postgres"
+    restart: unless-stopped
+    volumes:
+      - postgres_data:/var/lib/postgresql/data
+
+  caddy:
+    image: docker.io/caddy:2
+    restart: unless-stopped
+    ports:
+      - "5004:80"
+    volumes:
+      - ./docker/Caddyfile:/etc/caddy/Caddyfile
+      - caddy_data:/data
+      - caddy_config:/config
+
+volumes:
+  caddy_data:
+  caddy_config:
+  postgres_data: