nextcloud-mcp-server/docker-compose.yml

services:
  # Note: MariaDB is external service. You can find more information about the configuration here:
  # https://hub.docker.com/_/mariadb
  db:
    # Note: Check the recommend version here: https://docs.nextcloud.com/server/latest/admin_manual/installation/system_requirements.html#server
    image: docker.io/library/mariadb:lts@sha256:ae6119716edac6998ae85508431b3d2e666530ddf4e94c61a10710caec9b0f71
    restart: always
    command: --transaction-isolation=READ-COMMITTED
    volumes:
      - db:/var/lib/mysql
    environment:
      - MYSQL_ROOT_PASSWORD=password
      - MYSQL_PASSWORD=password
      - MYSQL_DATABASE=nextcloud
      - MYSQL_USER=nextcloud

  # Note: Redis is an external service. You can find more information about the configuration here:
  # https://hub.docker.com/_/redis
  redis:
    image: docker.io/library/redis:alpine@sha256:28c9c4d7596949a24b183eaaab6455f8e5d55ecbf72d02ff5e2c17fe72671d31
    restart: always

  app:
    image: docker.io/library/nextcloud:32.0.1@sha256:40b1b5dc35bcc9a0e922ec847451e43fa14222c9a99dcd5dfcc03b08f6c15775
    restart: always
    ports:
      - 0.0.0.0:8080:80
    depends_on:
      - redis
      - db
      - keycloak
    volumes:
      - nextcloud:/var/www/html
      - ./app-hooks:/docker-entrypoint-hooks.d:ro
      # Mount OIDC development directory outside /var/www/html to avoid rsync conflicts
      # The post-installation hook will register /opt/apps as an additional app directory
      - ./third_party:/opt/apps:ro
    environment:
      - NEXTCLOUD_TRUSTED_DOMAINS=app
      - NEXTCLOUD_ADMIN_USER=admin
      - NEXTCLOUD_ADMIN_PASSWORD=admin
      - MYSQL_PASSWORD=password
      - MYSQL_DATABASE=nextcloud
      - MYSQL_USER=nextcloud
      - MYSQL_HOST=db
      - REDIS_HOST=redis
    healthcheck:
      test: ["CMD-SHELL", "curl -Ss http://localhost/status.php | grep '\"installed\":true' || exit 1"]
      interval: 10s
      timeout: 30s
      retries: 30

  recipes:
    image: docker.io/library/nginx:alpine@sha256:b3c656d55d7ad751196f21b7fd2e8d4da9cb430e32f646adcf92441b72f82b14
    restart: always
    volumes:
      - ./tests/fixtures/test_recipe.html:/usr/share/nginx/html/test_recipe.html:ro
      - ./tests/fixtures/nginx.conf:/etc/nginx/nginx.conf:ro

  unstructured:
    image: downloads.unstructured.io/unstructured-io/unstructured-api:latest@sha256:a43ab55898599157fb0e0e097dabb8ecdd1d8e3df1ae5b67c6e15a136b171a6c
    restart: always
    ports:
      - 127.0.0.1:8002:8000
    # Unstructured API runs on port 8000 internally
    # We expose it on 8002 externally to avoid conflict
    profiles:
      - unstructured

  mcp:
    build: .
    command: ["--transport", "streamable-http"]
    restart: always
    depends_on:
      app:
        condition: service_healthy
    ports:
      - 127.0.0.1:8000:8000
    environment:
      - NEXTCLOUD_HOST=http://app:80
      - NEXTCLOUD_USERNAME=admin
      - NEXTCLOUD_PASSWORD=admin

  mcp-oauth:
    build: .
    command: ["--transport", "streamable-http", "--oauth", "--port", "8001", "--oauth-token-type", "jwt"]
    restart: always
    depends_on:
      app:
        condition: service_healthy
    ports:
      - 127.0.0.1:8001:8001
    environment:
      # Generic OIDC configuration (integrated mode - Nextcloud OIDC app)
      # OIDC_DISCOVERY_URL not set - defaults to NEXTCLOUD_HOST/.well-known/openid-configuration
      # OIDC_CLIENT_ID not set - uses Dynamic Client Registration (DCR)
      - NEXTCLOUD_HOST=http://app:80
      - NEXTCLOUD_MCP_SERVER_URL=http://localhost:8001
      - NEXTCLOUD_RESOURCE_URI=http://localhost:8080  # ADR-005: Nextcloud resource identifier for audience validation
      - NEXTCLOUD_PUBLIC_ISSUER_URL=http://localhost:8080
      - NEXTCLOUD_OIDC_SCOPES=openid profile email notes:read notes:write calendar:read calendar:write contacts:read contacts:write cookbook:read cookbook:write deck:read deck:write tables:read tables:write files:read files:write sharing:read sharing:write todo:read todo:write

      # Refresh token storage (ADR-002 Tier 1)
      - ENABLE_OFFLINE_ACCESS=true
      - TOKEN_ENCRYPTION_KEY=ESF1BvEQdGYsCluwMx9Cxvw3uh5pFowPH7Rg_nIliyo=
      - TOKEN_STORAGE_DB=/app/data/tokens.db

      # ADR-005: Multi-audience mode (default - ENABLE_TOKEN_EXCHANGE=false)
      # Tokens must contain BOTH MCP and Nextcloud audiences
      # No token exchange needed - tokens work for both MCP auth and Nextcloud APIs

      # NO admin credentials - using OAuth with Dynamic Client Registration (DCR)
      # Client credentials registered via RFC 7591 and stored in volume
      # JWT token type is used for testing (faster validation, scopes embedded in token)
    volumes:
      - oauth-client-storage:/app/.oauth
      - oauth-tokens:/app/data

  keycloak:
    image: quay.io/keycloak/keycloak:26.4.2@sha256:3617b09bb4b7510a8d8d9b9fc5707399e2d70688dbcc2f8fb013a144829be1b9
    command:
      - "start-dev"
      - "--import-realm"
      - "--hostname=http://localhost:8888"
      - "--hostname-strict=false"
      - "--hostname-backchannel-dynamic=true"
      - "--features=preview"  # Enable Legacy V1 token exchange (supports both Standard V2 and Legacy V1)
    ports:
      - 127.0.0.1:8888:8080
    environment:
      - KC_BOOTSTRAP_ADMIN_USERNAME=admin
      - KC_BOOTSTRAP_ADMIN_PASSWORD=admin
    volumes:
      - ./keycloak/realm-export.json:/opt/keycloak/data/import/realm.json:ro
    healthcheck:
      test: ["CMD-SHELL", "exec 3<>/dev/tcp/localhost/8080 && echo -e 'GET /realms/nextcloud-mcp HTTP/1.1\\r\\nHost: localhost\\r\\nConnection: close\\r\\n\\r\\n' >&3 && cat <&3 | grep -q 'HTTP/1.1 200'"]
      interval: 10s
      timeout: 5s
      retries: 30

  mcp-keycloak:
    build: .
    command: ["--transport", "streamable-http", "--oauth", "--port", "8002"]
    restart: always
    depends_on:
      keycloak:
        condition: service_healthy
      app:
        condition: service_started
    ports:
      - 127.0.0.1:8002:8002
    environment:
      # Generic OIDC configuration (external IdP mode - Keycloak)
      # Provider auto-detected from OIDC_DISCOVERY_URL issuer
      # Using internal Docker hostname for discovery to get consistent issuer
      - OIDC_DISCOVERY_URL=http://keycloak:8080/realms/nextcloud-mcp/.well-known/openid-configuration
      - OIDC_CLIENT_ID=nextcloud-mcp-server
      - OIDC_CLIENT_SECRET=mcp-secret-change-in-production
      - OIDC_JWKS_URI=http://keycloak:8080/realms/nextcloud-mcp/protocol/openid-connect/certs

      # Nextcloud API endpoint (for accessing APIs with validated token)
      - NEXTCLOUD_HOST=http://app:80
      - NEXTCLOUD_MCP_SERVER_URL=http://localhost:8002
      - NEXTCLOUD_RESOURCE_URI=nextcloud  # ADR-005: Keycloak uses client IDs as audiences, not URLs
      - NEXTCLOUD_PUBLIC_ISSUER_URL=http://localhost:8888/realms/nextcloud-mcp

      # Refresh token storage (ADR-002 Tier 1 & 2)
      - ENABLE_OFFLINE_ACCESS=true
      - TOKEN_ENCRYPTION_KEY=ESF1BvEQdGYsCluwMx9Cxvw3uh5pFowPH7Rg_nIliyo=
      - TOKEN_STORAGE_DB=/app/data/tokens.db

      # ADR-005: Token exchange mode (RFC 8693)
      # Exchange MCP tokens (aud: nextcloud-mcp-server) for Nextcloud tokens (aud: http://localhost:8080)
      # Provides strict audience separation between MCP session and Nextcloud API access
      - ENABLE_TOKEN_EXCHANGE=true
      - TOKEN_EXCHANGE_CACHE_TTL=300  # Cache exchanged tokens for 5 minutes (default)

      # OAuth scopes (optional - uses defaults if not specified)
      - NEXTCLOUD_OIDC_SCOPES=openid profile email offline_access notes:read notes:write calendar:read calendar:write contacts:read contacts:write cookbook:read cookbook:write deck:read deck:write tables:read tables:write files:read files:write sharing:read sharing:write todo:read todo:write

      # NO admin credentials - using external IdP OAuth only!
    volumes:
      - keycloak-tokens:/app/data
      - keycloak-oauth-storage:/app/.oauth

volumes:
  nextcloud:
  db:
  oauth-client-storage:
  oauth-tokens:
  keycloak-tokens:
  keycloak-oauth-storage: