services:

  webserver:
    build:
      context: .
      dockerfile: nginx/Dockerfile
    container_name: nginx_webserver
    volumes:
      - nginx_logs:/var/log/nginx
    restart: unless-stopped
    depends_on:
      api:
        condition: service_started
    networks:
      - proxy       # external — reachable by your reverse proxy / traefik
      - internal    # needs a path to the api container

  api:
    build: .
    container_name: wp_api
    environment:
      # Preferred: the API builds its own connection string from these and
      # encodes the password automatically (no manual URL-encoding needed).
      POSTGRES_USER: ${POSTGRES_USER}
      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
      POSTGRES_DB: ${POSTGRES_DB}
      POSTGRES_HOST: db
      # Optional full-URL override (must be URL-encoded if used).
      DATABASE_URL: ${DATABASE_URL:-}
      # Signs login session cookies. REQUIRED — compose fails fast if it's unset,
      # and the API refuses to start in production without it (see server/auth.py).
      AUTH_SECRET_KEY: ${AUTH_SECRET_KEY:?set AUTH_SECRET_KEY in .env (see server/.env.example)}
      AUTH_SESSION_HOURS: ${AUTH_SESSION_HOURS:-12}
      # Optional — SMTP password for WP-assignment emails. Email is off by
      # default and enabled from the Admin console; this is the only email
      # secret and it is never stored in the DB. Leave unset until configured.
      SMTP_PASSWORD: ${SMTP_PASSWORD:-}
      # D13 — domain authentication. REQUIRED: the suite stores no passwords and
      # has no local fallback, so a wrong value here means nobody can sign in.
      # Connect to the DOMAIN NAME, never a DC or an IP (SAN + DNS round-robin
      # across six DCs). See server/ldap_auth.py and DEPLOYMENT.md.
      LDAP_DOMAIN: ${LDAP_DOMAIN:-prime.local}
      LDAP_HOST: ${LDAP_HOST:-prime.local}
      # Trust anchor for the DC certificate — public CA certs, baked into the image
      # at server/certs/. Override only to point at a mounted bundle.
      LDAP_CA_FILE: ${LDAP_CA_FILE:-/app/server/certs/prime-ca-chain.pem}
      # AD group required to sign in. Empty = any domain account. This is the
      # initial value; the live one is set in the Admin console (T10.5).
      LDAP_REQUIRED_GROUP: ${LDAP_REQUIRED_GROUP:-}
      # Optional — read-only SQL Server connection to the Micron asset catalog,
      # which backs the asset picker in the work package creator. Leave unset and
      # the picker cleanly falls back to manual entry (see server/assets_db.py).
      # Use a db_datareader login: the app only ever SELECTs.
      MICRON_DB_URL: ${MICRON_DB_URL:-}
    restart: unless-stopped
    depends_on:
      db:
        condition: service_healthy        # waits for postgres to accept connections
    networks:
      - internal
      # Reaching the Micron database — and, since D13, the domain controllers —
      # means leaving this compose project, and `internal` is deliberately
      # egress-free. `outbound` is attached to the api container ONLY; the database
      # and backup containers stay sealed.
      #
      # DO NOT DETACH THIS. It used to be optional ("detach it if you are not using
      # the Micron asset picker"), but authentication now needs a route to
      # prime.local:636. Without it every sign-in fails and there is no local
      # password fallback to fall back to.
      - outbound

  db:
    image: postgres:16-alpine
    container_name: wp_db
    environment:
      POSTGRES_DB: ${POSTGRES_DB}
      POSTGRES_USER: ${POSTGRES_USER}
      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
    volumes:
      - pgdata:/var/lib/postgresql/data
    restart: unless-stopped
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U $$POSTGRES_USER -d $$POSTGRES_DB"]
      interval: 10s
      timeout: 5s
      retries: 5
    networks:
      - internal

  # Scheduled pg_dump backups. Writes gzipped, timestamped dumps to ./backups on
  # the host (sync that folder offsite from the host — this container has no
  # internet egress). See scripts/db-backup.sh and DEPLOYMENT.md § Backups.
  backup:
    build:
      context: .
      dockerfile: scripts/backup.Dockerfile      # postgres client + openssl
    container_name: wp_db_backup
    environment:
      POSTGRES_USER: ${POSTGRES_USER}
      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
      POSTGRES_DB: ${POSTGRES_DB}
      PGHOST: db
      BACKUP_DIR: /backups
      BACKUP_KEEP: ${BACKUP_KEEP:-14}                       # keep the newest N dumps
      BACKUP_INTERVAL_SECONDS: ${BACKUP_INTERVAL_SECONDS:-86400}   # 86400 = daily
      # Set BACKUP_ENC_PASSPHRASE in .env to encrypt dumps at rest (AES-256).
      # Required once the DB holds customer IP. Keep the passphrase off this host.
      BACKUP_ENC_PASSPHRASE: ${BACKUP_ENC_PASSPHRASE:-}
    volumes:
      - ./scripts:/scripts:ro
      - ./backups:/backups
    restart: unless-stopped
    depends_on:
      db:
        condition: service_healthy
    networks:
      - internal

volumes:
  pgdata:
  nginx_logs:

networks:
  proxy:
    name: proxy
    external: true
  internal:
    internal: true    # no route off the host for anything on this network alone
  outbound:
    # An ordinary bridge network, i.e. one that HAS a default gateway. `internal`
    # above removes the gateway entirely, which blocks not just the internet but
    # the LAN and the VPN too — so the api container needs this second network to
    # reach the domain controllers (LDAPS, D13) and the Micron asset database.
    # Attached to `api` alone: `db` and `backup` remain on `internal` only and
    # still have no way off the host. Required — see the note on the api service.
    driver: bridge