docker-compose.yml

# @Description: Example of a Docker Compose that 
# implements the services (Traefik, Gitea, Drone CI).
# @Fonts:
#   - https://docs.docker.com/compose/compose-file/
#   - https://docs.docker.com/network/
#   - https://docs.docker.com/storage/volumes/

version: "3.7"

# Defining docker volumes with the DRIVER(local).
volumes:
  vol_gitea_db:
    driver: local # Path: /var/lib/docker/volumes/quickstart-drone-ci_vol_gitea_db/_data
  vol_gitea_server:
    driver: local # Path: /var/lib/docker/volumes/quickstart-drone-ci_vol_gitea_server/_data
  vol_drone_server:
    driver: local # Path: /var/lib/docker/volumes/quickstart-drone-ci_vol_drone_server/_data

# Defining a local network with the DRIVER(bridge).
networks:
  network_local:
    external: false
    name: network_local

services:
  # Defining a database service for Gitea Server.
  gitea_db:
    image: postgres:12.1 # Official image of the Docker Hub.
    container_name: gitea_db
    environment:
      - POSTGRES_DB=gitea
      - POSTGRES_USER=postgres
      - POSTGRES_PASSWORD=postgres
      - PGDATA=/var/lib/postgresql/data
    command:
      - "--logging_collector=on"
      - "--log_statement=all"
      - "--log_filename=postgresql-%Y-%m-%d_%H%M%S.log"
      - "--log_directory=/var/log/postgresql"
    volumes:
      - "vol_gitea_db:/var/lib/postgresql/data"
    restart: always
    ports:
      - "5432:5432"
    networks:
      - network_local


  # Defining a version control service using Gitea(Git with a cup of tea).
  gitea_server: 
    image: gitea/gitea:1.10.2 # Official image of the Docker Hub.
    container_name: gitea_server
    environment:
      - ROOT_URL=http://192.168.0.16:3000
      - DB_TYPE=postgres
      - DB_NAME=gitea
      - DB_HOST=gitea_db:5432
      - DB_USER=postgres
      - DB_PASSWD=postgres
    depends_on:
      - gitea_db
    volumes:
      - "vol_gitea_server:/data"
    restart: unless-stopped
    ports:
      - "22:22"
      - "3000:3000"
    networks:
      - network_local


  # Drone Server is a runner and a standalone daemon that
  # polls the server for pending pipelines to execute.
  drone_server:
    image: drone/drone:1 # Official image of the Docker Hub.
    container_name: drone_server
    environment:
      # Required string value configures the user-facing hostname.
      - DRONE_SERVER_HOST=192.168.0.16:9090
      #- DRONE_SERVER_HOST=droneserver.docker.localhost
      # Required string value configures the user-facing protocol.
      - DRONE_SERVER_PROTO=http
      # Automatically generates an SSL certificate using Lets Encrypt,
      # and configures the server to accept HTTPS requests.
      - DRONE_TLS_AUTOCERT=false
      # Required literal value provides the Drone shared secret.
      # This is used to authenticate the RPC connection to the server. 
      - DRONE_RPC_SECRET=secret
      # Configures the database driver name. 
      - DRONE_DATABASE_DRIVER=sqlite3
      # Configures the database connection string.
      - DRONE_DATABASE_DATASOURCE=/var/lib/drone/drone.sqlite

      # GITEA params:
      # Require string value provides your Gitea server address.
      - DRONE_GITEA_SERVER=http://192.168.0.16:3000
      # Required string value provides your Gitea oauth Client ID.
      - DRONE_GITEA_CLIENT_ID=ca1df381-0dd8-4356-9db0-cc3587b44ebc
      # Required string value provides your Gitea oauth Client Secret.
      - DRONE_GITEA_CLIENT_SECRET=F23ZKzWL2Kdj63zJ_F1hcQlCwoNYX6KCrRh0BAW-Y4Y=
      
      # Enables trace logging. 
      - DRONE_LOGS_TRACE=true
      # Enables debug logging:
      - DRONE_LOGS_DEBUG=true
      - DRONE_LOGS_TEXT=true
      - DRONE_LOGS_PRETTY=true
      - DRONE_LOGS_COLOR=true

      # TODO: CHECK PARAMETERS!
      - DRONE_AGENTS_ENABLED=true

      # Optional comma separated list. Provides a list of Docker networks
      # that are attached to every pipeline step.
      - DRONE_RUNNER_NETWORKS=network_local
    depends_on:
      - gitea_server
    volumes:
      - "vol_drone_server:/var/lib/drone"
    restart: always
    ports:
      - "9090:80"
      - "9000:443"
    networks:
      - network_local


  # Drone Agents is a runners poll the server for workloads to execute.
  drone_agent:
    image: drone/drone-runner-docker:1 # Official image of the Docker Hub.
    container_name: drone_agent
    environment:
      # Enable and setup the Dashboard:
      # Disables the runner’s user interface.
      - DRONE_UI_DISABLE=false # (Default is true)
      # Access with username and password: root
      # Sets the basic authentication username used to authenticate and access the web dashboard.
      - DRONE_UI_USERNAME=root
      # Sets the basic authentication password used to authenticate and access the web dashboard.
      - DRONE_UI_PASSWORD=root

      # Required string values. Defines the hostname (and optional port) used to connect to the Drone server.
      - DRONE_RPC_HOST=192.168.0.16:9090
      # Required string value. Defines the protocol used to connect to the Drone server. The value must be either http or https.
      - DRONE_RPC_PROTO=http
      # Required string value. Provides the shared secret used by the Drone server to authenticate http requests.
      - DRONE_RPC_SECRET=secret

      # Limits the number of concurrent pipelines that a runner can execute.
      - DRONE_RUNNER_CAPACITY=2
      # Optional comma separated list. Provides a list of Docker networks
      # that are attached to every pipeline step.
      - DRONE_RUNNER_NETWORKS=network_local

      # Setup Logging:
      # Enables debug level logging.
      - DRONE_DEBUG=true
      # Enables trace level logging.
      - DRONE_TRACE=true
      # should only be enabled to troubleshoot communication issues.
      - DRONE_RPC_DUMP_HTTP=true
      - DRONE_RPC_DUMP_HTTP_BODY=true
    depends_on:
      - drone_server
    volumes:
      - "/var/run/docker.sock:/var/run/docker.sock:ro"
    restart: always
    ports:
      - "3030:3000"
    networks:
      - network_local