feat: Add docker-network input param (#853)

Co-authored-by: Michael Kriese <[email protected]>

README.md

@@ -12,6 +12,7 @@ GitHub Action to run Renovate self-hosted.
 - [Options](#options)
   - [`configurationFile`](#configurationfile)
   - [`docker-cmd-file`](#docker-cmd-file)
+  - [`docker-network`](#docker-network)
   - [`docker-user`](#docker-user)
   - [`docker-volumes`](#docker-volumes)
   - [`env-regex`](#env-regex)
@@ -105,6 +106,13 @@ jobs:
           token: ${{ secrets.RENOVATE_TOKEN }}
 ```
 
+### `docker-network`
+
+Specify a network to run container in.
+
+You can use `${{ job.container.network }}` to run renovate container [in the same network as other containers for this job](https://docs.github.com/en/actions/learn-github-actions/contexts#job-context),
+or set it to `host` to run in the same network as github runner, or specify any custom network.
+
 ### `docker-user`
 
 Specify a user (or user-id) to run docker command.

action.yml

@@ -40,6 +40,10 @@ inputs:
     description: |
       Override docker command. Default command is `renovate`
     required: false
+  docker-network:
+    description: |
+      Docker network.
+    required: false
   docker-user:
     description: |
       Docker user. Default to an unprivileged user

src/input.ts

@@ -90,6 +90,10 @@ class Input {
       .filter((v) => !!v);
   }
 
+  getDockerNetwork(): string {
+    return core.getInput('docker-network');
+  }
+
   /**
    * Convert to environment variables.
    *

src/renovate.ts

@@ -57,6 +57,11 @@ class Renovate {
       dockerArguments.push(`--volume ${volumeMount}`);
     }
 
+    const dockerNetwork = this.input.getDockerNetwork();
+    if (dockerNetwork) {
+      dockerArguments.push(`--network ${dockerNetwork}`);
+    }
+
     dockerArguments.push('--rm', this.docker.image());
 
     if (dockerCmd !== null) {