feat: dockerize full stack (web + api + postgres)

- Multi-stage Dockerfiles for API (NestJS, prisma migrate on start) and web (Vite + nginx reverse proxy)
- docker-compose.yml orchestrating db/api/web with healthcheck and persistent volumes
- nginx proxies /api and /avatars to API; web built with relative API URL
- scripts/docker-up.sh: ExFAT-safe wrapper that strips macOS AppleDouble (._*) sidecars before build
- Conditionally register GoogleStrategy only when GOOGLE_CLIENT_ID is set
- Fix unused-variable TS errors blocking production build

docker-compose.yml

@@ -0,0 +1,69 @@
+# Tabungin - full stack (web + api + postgres) in one command:
+#   cp .env.docker.example .env.docker  (then edit secrets)
+#   docker compose --env-file .env.docker up -d --build
+#
+# Web (UI):        http://localhost:${WEB_PORT:-8080}
+# API (Swagger):   http://localhost:${API_PORT:-3001}/api
+# Postgres:        internal only (not published by default)
+
+services:
+  db:
+    image: postgres:16-alpine
+    restart: unless-stopped
+    environment:
+      POSTGRES_USER: ${POSTGRES_USER:-tabungin}
+      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-tabungin}
+      POSTGRES_DB: ${POSTGRES_DB:-tabungin}
+    volumes:
+      - db_data:/var/lib/postgresql/data
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER:-tabungin} -d ${POSTGRES_DB:-tabungin}"]
+      interval: 5s
+      timeout: 5s
+      retries: 10
+    # Uncomment to access Postgres from the host:
+    # ports:
+    #   - "5432:5432"
+
+  api:
+    build:
+      context: ./apps/api
+    restart: unless-stopped
+    depends_on:
+      db:
+        condition: service_healthy
+    environment:
+      NODE_ENV: production
+      PORT: 3001
+      DATABASE_URL: postgresql://${POSTGRES_USER:-tabungin}:${POSTGRES_PASSWORD:-tabungin}@db:5432/${POSTGRES_DB:-tabungin}?schema=public
+      DATABASE_URL_SHADOW: postgresql://${POSTGRES_USER:-tabungin}:${POSTGRES_PASSWORD:-tabungin}@db:5432/${POSTGRES_DB:-tabungin}_shadow?schema=public
+      JWT_SECRET: ${JWT_SECRET:?JWT_SECRET is required}
+      WEB_APP_URL: ${WEB_APP_URL:-http://localhost:8080}
+      # Optional integrations (leave blank to disable)
+      EXCHANGE_RATE_URL: ${EXCHANGE_RATE_URL:-}
+      GOOGLE_CLIENT_ID: ${GOOGLE_CLIENT_ID:-}
+      GOOGLE_CLIENT_SECRET: ${GOOGLE_CLIENT_SECRET:-}
+      GOOGLE_CALLBACK_URL: ${GOOGLE_CALLBACK_URL:-http://localhost:8080/api/auth/google/callback}
+      OTP_SEND_WEBHOOK_URL: ${OTP_SEND_WEBHOOK_URL:-}
+      OTP_SEND_WEBHOOK_URL_TEST: ${OTP_SEND_WEBHOOK_URL_TEST:-}
+    volumes:
+      # Persist uploaded avatars across container rebuilds
+      - api_uploads:/app/public
+    ports:
+      - "${API_PORT:-3001}:3001"
+
+  web:
+    build:
+      context: ./apps/web
+      args:
+        # Empty => requests are same-origin relative; nginx proxies /api & /avatars
+        VITE_API_URL: ""
+    restart: unless-stopped
+    depends_on:
+      - api
+    ports:
+      - "${WEB_PORT:-8080}:80"
+
+volumes:
+  db_data:
+  api_uploads: