🧰 chore: Faster Builds using GHA Cache

action.yaml

@@ -108,6 +108,9 @@ runs:
       with:
         project_id: ${{ inputs.gcp_project_id }}
 
+    - name: '🐳 Set up Docker Buildx'
+      uses: docker/setup-buildx-action@v3
+
     - name: '🐳 Authorize Docker push'
       shell: bash
       run: gcloud auth configure-docker us-docker.pkg.dev --quiet

package.json

@@ -7,6 +7,7 @@
   ],
   "devDependencies": {
     "@joggr/tempo": "^0.6.0",
+    "@types/github-script": "github:actions/github-script",
     "husky": "^9.0.11",
     "yaml": "^2.3.4"
   },

scripts/docker.js

@@ -24,11 +24,7 @@ function getMultilineInput(env, name) {
 /**
  * Build & Push Docker Image 
  * 
- * @param {object} payload
- * @param {object} payload.context
- * @param {object} payload.core
- * @param {object} payload.github
- * @param {object} payload.exec
+ * @param {import('@types/github-script').AsyncFunctionArguments} payload
  */
 module.exports = async ({ github, context, exec, core, env }) => {
   const dockerBuildArgs = getMultilineInput(env, 'DOCKER_BUILD_ARGS');
@@ -60,18 +56,19 @@ module.exports = async ({ github, context, exec, core, env }) => {
     });
 
   await exec.exec('docker', [
+    'buildx',
     'build',
+    '--push',
+    '--cache-from',
+    'type=gha',
+    '--cache-to',
+    'type=gha,mode=max',
     ...buildArgs,
     ...tags,
     '--tag',
     `${fullImageName}:${githubSha}`,
-    '--file',
+     '--file',
     `${dockerDirectory}/${dockerFileName}`,
     `${dockerDirectory}`
   ]);
-  await exec.exec('docker', [
-    'push',
-    `us-docker.pkg.dev/${gcpProjectId}/${gcpArtifactRepository}/${name}`,
-    '--all-tags'
-  ]);
 }