services:
  mongodb-fix-permission-container:
    image: docker.io/mongodb/mongodb-community-server:${MONGODB_VERSION:-8.2}-ubi8
    restart: on-failure
    user: "0"
    volumes:
      - ${MONGODB_HOST_PATH:-mongodb_data}:/data/db:rw
    environment:
      MONGODB_USER_ID: ${MONGODB_USER_ID:-1001}
    entrypoint: |
      sh -xc '
        owner="$(stat -c %u /data/db)";
        # for fresh installs
        if [ "$$owner" != "$$MONGODB_USER_ID" ]; then
          echo "=====> Fixing directory ownership to uid $$MONGODB_USER_ID"
          chown -R "$$MONGODB_USER_ID" /data/db;
        else echo "=====> Nothing to do"; fi;
      '
  # TODO: add user creation here
  mongodb-init-container:
    image: docker.io/mongodb/mongodb-community-server:${MONGODB_VERSION:-8.2}-ubi8
    restart: on-failure
    # depends_on:
    #   mongodb:
    #     condition: service_healthy
    user: "0"
    environment:
      MONGODB_REPLICA_SET_NAME: ${MONGODB_REPLICA_SET_NAME:-rs0}
      MONGODB_PORT_NUMBER: ${MONGODB_PORT_NUMBER:-27017}
      MONGODB_URI: ${MONGODB_URI:-mongodb://mongodb:27017/?directConnection=true}
      MONGODB_ADVERTISED_HOSTNAME: ${MONGODB_ADVERTISED_HOSTNAME:-mongodb}
    volumes:
      - ${MONGODB_HOST_PATH:-mongodb_data}:/data/db:rw
    logging:
      driver: "json-file"
    labels:
      container_tag: "${COMPOSE_PROJECT_NAME:-rocketchat}#mongodb-init-container"
    entrypoint: |
      sh -xc '
        echo "=====> Waiting for MongoDB to be healthy before initiating replica set...";
        until mongosh "$$MONGODB_URI" --eval "db.adminCommand(\"ping\")" >/dev/null 2>&1; do
          echo "=====> MongoDB not ready yet, retrying in 5 seconds...";
          sleep 5;
        done;
        echo "=====> Initiating ReplSet $$MONGODB_REPLICA_SET_NAME at $$MONGODB_ADVERTISED_HOSTNAME:$$MONGODB_PORT_NUMBER...";
        mongosh "$$MONGODB_URI" --eval "rs.initiate({_id: \"$$MONGODB_REPLICA_SET_NAME\", members: [{ _id: 0, host: \"$$MONGODB_ADVERTISED_HOSTNAME:$$MONGODB_PORT_NUMBER\" }]})";
        echo "=====> Initiating ReplSet done...";
      '

  mongodb:
    image: docker.io/mongodb/mongodb-community-server:${MONGODB_VERSION:-8.2}-ubi8
    restart: always
    # depends_on:
    #   mongodb-fix-permission-container:
    #     condition: service_completed_successfully
    volumes:
      - ${MONGODB_HOST_PATH:-mongodb_data}:/data/db:rw
    user: "${MONGODB_USER_ID:-1001}"
    entrypoint:
      - sh
      - -ec
      - |
        echo "=====> Waiting for /data/db to be owned by uid=$$MONGODB_USER_ID (mongodb user) ...";
        for i in $(seq 1 60); do
          owner="$(stat -c %u /data/db 2>/dev/null || true)";
          if [ "$$owner" = "$$MONGODB_USER_ID" ]; then
            echo "=====> /data/db ownership OK ($$owner) - starting MongoDB";
            exec mongod --replSet "$$MONGODB_REPLICA_SET_NAME" --bind_ip_all;
          fi;
          echo "=====> /data/db owner is '$$owner' (expected $$MONGODB_USER_ID), retrying in 5 seconds...";
          sleep 5;
        done;
        echo "=====> Giving up waiting for /data/db ownership after 5 minutes";
        exit 1
    environment:
      MONGODB_USER_ID: ${MONGODB_USER_ID:-1001}
      MONGODB_REPLICA_SET_NAME: ${MONGODB_REPLICA_SET_NAME:-rs0}
      MONGODB_PORT_NUMBER: ${MONGODB_PORT_NUMBER:-27017}
      MONGODB_ADVERTISED_HOSTNAME: ${MONGODB_ADVERTISED_HOSTNAME:-mongodb}
      ALLOW_EMPTY_PASSWORD: ${ALLOW_EMPTY_PASSWORD:-yes}
    logging:
      driver: "json-file"
    labels:
      container_tag: "${COMPOSE_PROJECT_NAME:-rocketchat}#mongodb"
    healthcheck:
      test:
        - CMD
        - mongosh
        - "mongodb://${MONGODB_ADVERTISED_HOSTNAME:-mongodb}:${MONGODB_PORT_NUMBER:-27017}/?directConnection=true"
        - --eval
        - '"db.adminCommand(''ping'')"'
      interval: 30s
      timeout: 10s
      retries: 10
      start_period: 30s
    ports:
      - "${MONGODB_BIND_IP:-127.0.0.1}:${MONGODB_PORT_NUMBER:-27017}:${MONGODB_PORT_NUMBER:-27017}"

  mongodb-exporter:
    image: docker.io/percona/mongodb_exporter:${MONGODB_EXPORTER_VERSION:-0.44.0}
    depends_on:
      - mongodb
    expose:
      - 9216
    command:
      - --mongodb.uri=${MONGODB_URI:-mongodb://mongodb:27017}
      - --collect-all
      - --compatible-mode

volumes:
  mongodb_data: {driver: local}