working dev environment

docker-compose.dev.yml

@@ -1,5 +1,6 @@
-# Dev-sidecar compose: app container + PostgreSQL sidecar.
+# Dev-sidecar compose: app container only (no database service).
 # Used by .devcontainer/devcontainer.json via dockerComposeFile.
+# Development uses SQLite — no Docker-in-Docker database needed.
 
 services:
   app:
@@ -11,15 +12,12 @@ services:
       - "8000:8000"   # FastAPI
       - "4200:4200"   # Angular dev server
     environment:
-      KMTN_DATABASE_URL: postgresql+asyncpg://postgres:postgres@db:5432/kmountain
+      KMTN_DATABASE_URL: sqlite+aiosqlite:///./backend/kmountain.db
       KMTN_CORS_ORIGINS: '["http://localhost:4200"]'
     volumes:
       - ..:/workspaces/web_app:cached
       - node_modules:/workspaces/web_app/node_modules
       - backend_venv:/app/.venv
-    depends_on:
-      db:
-        condition: service_healthy
     command: >
       sh -c "
         pip install -r backend/requirements.txt &&
@@ -30,24 +28,6 @@ services:
         npx ng serve --host 0.0.0.0 --port 4200
       "
 
-  db:
-    image: docker.io/library/postgres:16-alpine
-    restart: "no"
-    environment:
-      POSTGRES_DB: kmountain
-      POSTGRES_USER: postgres
-      POSTGRES_PASSWORD: postgres
-    volumes:
-      - pgdata:/var/lib/postgresql/data
-    ports:
-      - "5432:5432"
-    healthcheck:
-      test: ["CMD-SHELL", "pg_isready -U postgres"]
-      interval: 5s
-      timeout: 5s
-      retries: 5
-
 volumes:
-  pgdata:
   node_modules:
   backend_venv: