diff --git a/docker-compose.yml b/docker-compose.yml
index 534f29d7..1ca8e9f3 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,54 +1,207 @@
+version: "3.9"
+
+# =============================================================================
+# LabGraph — Docker Compose Orchestration
+# Services: web (Django/Gunicorn), db (PostgreSQL), redis, celery-worker,
+#           celery-beat (scheduler), flower (Celery monitoring)
+# =============================================================================
+
+x-django-env: &django-env
+  env_file: .env
+  environment:
+    DJANGO_SETTINGS_MODULE: config.settings.development
+
+x-healthcheck-defaults: &healthcheck-defaults
+  interval: 15s
+  timeout: 5s
+  retries: 5
+  start_period: 20s
+
 services:
-  app:
-    build:
-      context: .
-      dockerfile: .devcontainer/Dockerfile.backend
-    volumes:
-      - .:/workspace:cached
-    environment:
-      - DATABASE_URL=postgres://postgres:password@db:5432/labgraph
-      - REDIS_URL=redis://redis:6379/0
-    networks:
-      - labgraph-net
-    depends_on:
-      - db
-      - redis
-    command: sleep infinity # Keeps the container alive for VS Code
-
+  # ---------------------------------------------------------------------------
+  # PostgreSQL — Primary Datastore
+  # ---------------------------------------------------------------------------
   db:
-    image: postgres:18-alpine
-    environment:
-      - POSTGRES_DB=labgraph
-      - POSTGRES_PASSWORD=password
+    image: postgres:16-alpine
+    container_name: labgraph_db
+    restart: unless-stopped
     volumes:
-      - labgraph_pg_data:/var/lib/postgresql
+      - postgres_data:/var/lib/postgresql/data
+      - ./backend/scripts/init_db.sql:/docker-entrypoint-initdb.d/init_db.sql:ro
+    environment:
+      POSTGRES_DB: ${POSTGRES_DB:-labgraph}
+      POSTGRES_USER: ${POSTGRES_USER:-labgraph}
+      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:?POSTGRES_PASSWORD must be set}
+    ports:
+      - "5432:5432"
+    healthcheck:
+      <<: *healthcheck-defaults
+      test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER:-labgraph} -d ${POSTGRES_DB:-labgraph}"]
     networks:
-      - labgraph-net
+      - labgraph_net
 
+  # ---------------------------------------------------------------------------
+  # Redis — Celery Broker + Result Backend + Cache Layer
+  # ---------------------------------------------------------------------------
   redis:
     image: redis:7-alpine
-    networks:
-      - labgraph-net
-
-  worker:
-    build:
-      context: .
-      dockerfile: .devcontainer/Dockerfile.backend
+    container_name: labgraph_redis
+    restart: unless-stopped
+    command: >
+      redis-server
+      --requirepass ${REDIS_PASSWORD:?REDIS_PASSWORD must be set}
+      --maxmemory 256mb
+      --maxmemory-policy allkeys-lru
+      --save 60 1
+      --loglevel warning
     volumes:
-      - .:/workspace:cached
-    environment:
-      - DATABASE_URL=postgres://postgres:password@db:5432/labgraph
-      - REDIS_URL=redis://redis:6379/0
-    depends_on:
-      - db
-      - redis
+      - redis_data:/data
+    ports:
+      - "6379:6379"
+    healthcheck:
+      <<: *healthcheck-defaults
+      test: ["CMD", "redis-cli", "-a", "${REDIS_PASSWORD}", "ping"]
     networks:
-      - labgraph-net
-    command: celery -A core worker --loglevel=info
+      - labgraph_net
+
+  # ---------------------------------------------------------------------------
+  # Django Web — Gunicorn + DRF API
+  # ---------------------------------------------------------------------------
+  web:
+    build:
+      context: ./backend
+      dockerfile: Dockerfile
+      target: development
+    container_name: labgraph_web
+    restart: unless-stopped
+    <<: *django-env
+    command: >
+      sh -c "python manage.py migrate --noinput &&
+             python manage.py collectstatic --noinput &&
+             gunicorn config.wsgi:application
+               --bind 0.0.0.0:8000
+               --workers 4
+               --worker-class gthread
+               --threads 2
+               --timeout 120
+               --access-logfile -
+               --error-logfile -"
+    volumes:
+      - ./backend:/app
+      - static_volume:/app/staticfiles
+      - media_volume:/app/mediafiles
+      - wiki_data:/app/wiki_store
+    ports:
+      - "8000:8000"
+    depends_on:
+      db:
+        condition: service_healthy
+      redis:
+        condition: service_healthy
+    healthcheck:
+      <<: *healthcheck-defaults
+      test: ["CMD-SHELL", "curl -fs http://localhost:8000/api/health/ || exit 1"]
+    networks:
+      - labgraph_net
+
+  # ---------------------------------------------------------------------------
+  # Celery Worker — Discovery + Heartbeat Tasks
+  # ---------------------------------------------------------------------------
+  celery-worker:
+    build:
+      context: ./backend
+      dockerfile: Dockerfile
+      target: development
+    container_name: labgraph_celery_worker
+    restart: unless-stopped
+    <<: *django-env
+    command: >
+      celery -A config.celery worker
+        --loglevel=info
+        --concurrency=4
+        --queues=discovery,heartbeat,default
+        --hostname=worker@%h
+        --max-tasks-per-child=100
+    volumes:
+      - ./backend:/app
+      - wiki_data:/app/wiki_store
+    depends_on:
+      db:
+        condition: service_healthy
+      redis:
+        condition: service_healthy
+    networks:
+      - labgraph_net
+
+  # ---------------------------------------------------------------------------
+  # Celery Beat — Periodic Task Scheduler
+  # ---------------------------------------------------------------------------
+  celery-beat:
+    build:
+      context: ./backend
+      dockerfile: Dockerfile
+      target: development
+    container_name: labgraph_celery_beat
+    restart: unless-stopped
+    <<: *django-env
+    command: >
+      celery -A config.celery beat
+        --loglevel=info
+        --scheduler django_celery_beat.schedulers:DatabaseScheduler
+    volumes:
+      - ./backend:/app
+    depends_on:
+      db:
+        condition: service_healthy
+      redis:
+        condition: service_healthy
+    networks:
+      - labgraph_net
+
+  # ---------------------------------------------------------------------------
+  # Flower — Real-time Celery Task Monitor (Dev Only)
+  # ---------------------------------------------------------------------------
+  flower:
+    build:
+      context: ./backend
+      dockerfile: Dockerfile
+      target: development
+    container_name: labgraph_flower
+    restart: unless-stopped
+    <<: *django-env
+    command: >
+      celery -A config.celery flower
+        --port=5555
+        --basic_auth=${FLOWER_USER:-admin}:${FLOWER_PASSWORD:-changeme}
+        --url_prefix=flower
+    ports:
+      - "5555:5555"
+    depends_on:
+      redis:
+        condition: service_healthy
+    networks:
+      - labgraph_net
+    profiles:
+      - dev-tools
+
+# =============================================================================
+# Volumes & Networks
+# =============================================================================
+volumes:
+  postgres_data:
+    driver: local
+  redis_data:
+    driver: local
+  static_volume:
+    driver: local
+  media_volume:
+    driver: local
+  wiki_data:
+    driver: local
 
 networks:
-  labgraph-net:
+  labgraph_net:
     driver: bridge
-
-volumes:
-  labgraph_pg_data:
\ No newline at end of file
+    ipam:
+      config:
+        - subnet: 172.20.0.0/16
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