Allow using non-slim renovate image

Signed-off-by: Mario Valderrama <mario.valderrama@ionos.com>

action.yml

@@ -16,6 +16,11 @@ inputs:
       configured using a Secret. Either use this input or the 'RENOVATE_TOKEN'
       environment variable.
     required: false
+  useSlim:
+    description: |
+      Use a lightweight renovate container without any third-party binaries.
+      Defaults to true if not set.
+    required: false
 runs:
   using: node16
   main: dist/index.js

src/docker.ts

@@ -1,11 +1,18 @@
+import { Input } from './input';
+
 class Docker {
   readonly repository = 'renovate/renovate';
   // renovate: datasource=docker depName=renovate/renovate versioning=docker
   readonly tag = '34.82.0-slim';
   readonly tagSuffix = '-slim';
+  readonly fullTag: string;
+
+  constructor(private input: Input) {
+    this.fullTag = input.useSlim() ? this.tag : this.version();
+  }
 
   image(): string {
-    return `${this.repository}:${this.tag}`;
+    return `${this.repository}:${this.fullTag}`;
   }
 
   version(): string {

src/input.ts

@@ -55,6 +55,10 @@ class Input {
     return null;
   }
 
+  useSlim(): boolean {
+      return core.getInput(`useSlim`) !== 'false';
+  }
+
   /**
    * Convert to environment variables.
    *

src/renovate.ts

@@ -13,7 +13,7 @@ class Renovate {
   constructor(private input: Input) {
     this.validateArguments();
 
-    this.docker = new Docker();
+    this.docker = new Docker(input);
   }
 
   async runDockerContainer(): Promise<void> {