Add forgejo runner

.gitignore

@@ -4,3 +4,4 @@ db/
 config/
 data/
 backup-pgdump.sql
+runner-config/.runner

docker-compose.yml

@@ -51,6 +51,19 @@ services:
     networks: [ gitea ]
     secrets: [ pg_password ]
     labels:
+      traefik.enable: false
+  
+  forgejo-runner:
+    image: code.forgejo.org/forgejo/runner:latest
+    user: 1000:131
+    volumes:
+      - type: bind
+        source: /var/run/docker.sock
+        target: /var/run/docker.sock
+      - type: bind
+        source: ./runner-config/
+        target: /data
+    command: [ "forgejo-runner", "--config", "config.yml", "daemon" ]
 
 secrets:
   pg_password:

runner-config/config.yml

@@ -0,0 +1,113 @@
+# Example configuration file, it's safe to copy this as the default config file without any modification.
+
+# You don't have to copy this file to your instance,
+# just run `forgejo-runner generate-config > config.yaml` to generate a config file.
+
+log:
+  # The level of logging, can be trace, debug, info, warn, error, fatal
+  level: info
+  # The level of logging for jobs, can be trace, debug, info, earn, error, fatal
+  job_level: info
+
+runner:
+  # Where to store the registration result.
+  file: .runner
+  # Execute how many tasks concurrently at the same time.
+  capacity: 1
+  # Extra environment variables to run jobs.
+  envs:
+    A_TEST_ENV_NAME_1: a_test_env_value_1
+    A_TEST_ENV_NAME_2: a_test_env_value_2
+  # Extra environment variables to run jobs from a file.
+  # It will be ignored if it's empty or the file doesn't exist.
+  env_file: .env
+  # The timeout for a job to be finished.
+  # Please note that the Forgejo instance also has a timeout (3h by default) for the job.
+  # So the job could be stopped by the Forgejo instance if it's timeout is shorter than this.
+  timeout: 3h
+  # The timeout for the runner to wait for running jobs to finish when
+  # shutting down because a TERM or INT signal has been received.  Any
+  # running jobs that haven't finished after this timeout will be
+  # cancelled.
+  # If unset or zero the jobs will be cancelled immediately.
+  shutdown_timeout: 3h
+  # Whether skip verifying the TLS certificate of the instance.
+  insecure: false
+  # The timeout for fetching the job from the Forgejo instance.
+  fetch_timeout: 5s
+  # The interval for fetching the job from the Forgejo instance.
+  fetch_interval: 2s
+  # The interval for reporting the job status and logs to the Forgejo instance.
+  report_interval: 1s
+  # The labels of a runner are used to determine which jobs the runner can run, and how to run them.
+  # Like: ["macos-arm64:host", "ubuntu-latest:docker://node:20-bookworm", "ubuntu-22.04:docker://node:20-bookworm"]
+  # If it's empty when registering, it will ask for inputting labels.
+  # If it's empty when executing the `daemon`, it will use labels in the `.runner` file.
+  labels: []
+
+cache:
+  # Enable cache server to use actions/cache.
+  enabled: true
+  # The directory to store the cache data.
+  # If it's empty, the cache data will be stored in $HOME/.cache/actcache.
+  dir: ""
+  # The host of the cache server.
+  # It's not for the address to listen, but the address to connect from job containers.
+  # So 0.0.0.0 is a bad choice, leave it empty to detect automatically.
+  host: ""
+  # The port of the cache server.
+  # 0 means to use a random available port.
+  port: 0
+  # The port of the cache proxy.
+  # 0 means to use a random available port.
+  proxy_port: 0
+  # The external cache server URL. Valid only when enable is true.
+  # If it's specified, it will be used to set the ACTIONS_CACHE_URL environment variable. The URL should generally end with "/".
+  # Otherwise it will be set to the the URL of the internal cache server.
+  external_server: ""
+  # The shared cache secret. When communicating with a cache server, the runner uses this secret to verify the authenticity of the cache requests.
+  # When using an external cache server it is required to set the same secret for the runner and the cache server.
+  secret: ""
+  # Overrides the ACTIONS_CACHE_URL passed to workflow containers. This should only be used if the runner host is not reachable from the
+  # workflow containers, and requires further setup.
+  actions_cache_url_override: ""
+
+container:
+  # Specifies the network to which the container will connect.
+  # Could be host, bridge or the name of a custom network.
+  # If it's empty, create a network automatically.
+  network: ""
+  # Whether to create networks with IPv6 enabled. Requires the Docker daemon to be set up accordingly.
+  # Only takes effect if "network" is set to "".
+  enable_ipv6: false
+  # Whether to use privileged mode or not when launching task containers (privileged mode is required for Docker-in-Docker).
+  privileged: false
+  # And other options to be used when the container is started (eg, --add-host=my.forgejo.url:host-gateway).
+  options:
+  # The parent directory of a job's working directory.
+  # If it's empty, /workspace will be used.
+  workdir_parent:
+  # Volumes (including bind mounts) can be mounted to containers. Glob syntax is supported, see https://github.com/gobwas/glob
+  # You can specify multiple volumes. If the sequence is empty, no volumes can be mounted.
+  # For example, if you only allow containers to mount the `data` volume and all the json files in `/src`, you should change the config to:
+  # valid_volumes:
+  #   - data
+  #   - /src/*.json
+  # If you want to allow any volume, please use the following configuration:
+  # valid_volumes:
+  #   - '**'
+  valid_volumes: []
+  # overrides the docker client host with the specified one.
+  # If "-" or "", an available docker host will automatically be found.
+  # If "automount", an available docker host will automatically be found and mounted in the job container (e.g. /var/run/docker.sock).
+  # Otherwise the specified docker host will be used and an error will be returned if it doesn't work.
+  docker_host: "-"
+  # Pull docker image(s) even if already present
+  force_pull: false
+  # Rebuild local docker image(s) even if already present
+  force_rebuild: false
+
+host:
+  # The parent directory of a job's working directory.
+  # If it's empty, $HOME/.cache/act/ will be used.
+  workdir_parent: