Enhance Docker and backend configurations for improved deployment

- Updated docker-compose.yml to include environment variable support for services, enhancing flexibility in configuration.
- Refactored Dockerfile to utilize build arguments for VITE environment variables, allowing for better customization during builds.
- Improved Nginx configuration to handle larger video uploads by increasing client_max_body_size to 5GB.
- Enhanced backend Dockerfile to include wget for health checks and improved startup logging for database migrations.
- Added validation for critical environment variables in the backend to ensure necessary configurations are present before application startup.
- Updated content streaming logic to support direct HLS URL construction, improving streaming reliability and user experience.
- Refactored various components and services to streamline access checks and improve error handling during content playback.

docker-compose.dev.yml

@@ -0,0 +1,186 @@
+version: '3.8'
+
+services:
+  # ── Frontend (nginx serving built Vue app) ───────────────────
+  app:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    restart: unless-stopped
+    ports:
+      - "7777:7777"
+    depends_on:
+      - relay
+      - api
+    networks:
+      - indeedhub-network
+    labels:
+      - "com.centurylinklabs.watchtower.enable=true"
+    healthcheck:
+      test: ["CMD", "curl", "-f", "http://localhost:7777/health"]
+      interval: 30s
+      timeout: 10s
+      retries: 3
+      start_period: 40s
+
+  # ── Backend API (NestJS) ─────────────────────────────────────
+  api:
+    build:
+      context: ./backend
+      dockerfile: Dockerfile
+    restart: unless-stopped
+    env_file:
+      - ./backend/.env
+    depends_on:
+      postgres:
+        condition: service_healthy
+      redis:
+        condition: service_started
+      minio:
+        condition: service_started
+    networks:
+      - indeedhub-network
+    healthcheck:
+      test: ["CMD", "wget", "--no-verbose", "--tries=1", "--spider", "http://localhost:4000/nostr-auth/health"]
+      interval: 30s
+      timeout: 10s
+      retries: 5
+      start_period: 60s
+
+  # ── PostgreSQL Database ──────────────────────────────────────
+  postgres:
+    image: postgres:16-alpine
+    restart: unless-stopped
+    environment:
+      POSTGRES_USER: indeedhub
+      POSTGRES_PASSWORD: indeedhub_dev_2026
+      POSTGRES_DB: indeedhub
+    volumes:
+      - postgres-data:/var/lib/postgresql/data
+    networks:
+      - indeedhub-network
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U indeedhub"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+      start_period: 30s
+
+  # ── Redis (BullMQ job queue) ─────────────────────────────────
+  redis:
+    image: redis:7-alpine
+    restart: unless-stopped
+    volumes:
+      - redis-data:/data
+    networks:
+      - indeedhub-network
+
+  # ── MinIO (S3-compatible object storage) ─────────────────────
+  minio:
+    image: minio/minio:latest
+    restart: unless-stopped
+    command: server /data --console-address ":9001"
+    environment:
+      MINIO_ROOT_USER: minioadmin
+      MINIO_ROOT_PASSWORD: minioadmin123
+    volumes:
+      - minio-data:/data
+    ports:
+      - "9001:9001"
+    networks:
+      - indeedhub-network
+
+  # ── MinIO bucket init (one-shot: creates required buckets) ───
+  minio-init:
+    image: minio/mc:latest
+    depends_on:
+      - minio
+    entrypoint: >
+      /bin/sh -c "
+      sleep 5;
+      mc alias set local http://minio:9000 minioadmin minioadmin123;
+      mc mb local/indeedhub-private --ignore-existing;
+      mc mb local/indeedhub-public --ignore-existing;
+      mc anonymous set download local/indeedhub-public;
+      echo 'MinIO buckets initialized';
+      "
+    networks:
+      - indeedhub-network
+    restart: "no"
+
+  # ── FFmpeg Transcoding Worker ────────────────────────────────
+  ffmpeg-worker:
+    build:
+      context: ./backend
+      dockerfile: Dockerfile.ffmpeg
+    restart: unless-stopped
+    env_file:
+      - ./backend/.env
+    depends_on:
+      postgres:
+        condition: service_healthy
+      redis:
+        condition: service_started
+      minio:
+        condition: service_started
+    networks:
+      - indeedhub-network
+
+  # ── Mailpit (development email testing) ──────────────────────
+  mailpit:
+    image: axllent/mailpit:latest
+    restart: unless-stopped
+    ports:
+      - "8025:8025"
+    networks:
+      - indeedhub-network
+
+  # ── Nostr Relay (stores comments, reactions, profiles) ───────
+  relay:
+    image: scsibug/nostr-rs-relay:latest
+    restart: unless-stopped
+    volumes:
+      - relay-data:/usr/src/app/db
+    networks:
+      - indeedhub-network
+
+  # ── Seeder (one-shot: seeds test data into relay, then exits)
+  seeder:
+    build:
+      context: .
+      dockerfile: Dockerfile.seed
+    depends_on:
+      - relay
+    environment:
+      - RELAY_URL=ws://relay:8080
+      - ORIGIN=http://localhost:7777
+    networks:
+      - indeedhub-network
+    restart: "no"
+
+  # ── DB Seeder (one-shot: seeds content into PostgreSQL) ──────
+  db-seeder:
+    build:
+      context: ./backend
+      dockerfile: Dockerfile
+    depends_on:
+      postgres:
+        condition: service_healthy
+      minio:
+        condition: service_started
+    env_file:
+      - ./backend/.env
+    command: ["node", "dist/scripts/seed-content.js"]
+    networks:
+      - indeedhub-network
+    restart: "no"
+
+networks:
+  indeedhub-network:
+    driver: bridge
+
+volumes:
+  postgres-data:
+  redis-data:
+  minio-data:
+  relay-data: