Remove docker build step in favor of using the default image

action/Dockerfile

@@ -1,17 +0,0 @@
-ARG IMAGE
-FROM $IMAGE
-
-LABEL "com.github.actions.name"="Unity - Test runner"
-LABEL "com.github.actions.description"="Run tests for any Unity project."
-LABEL "com.github.actions.icon"="box"
-LABEL "com.github.actions.color"="gray-dark"
-
-LABEL "repository"="http://github.com/webbertakken/unity-actions"
-LABEL "homepage"="http://github.com/webbertakken/unity-actions"
-LABEL "maintainer"="Webber Takken <webber@takken.io>"
-
-ADD steps /steps
-RUN chmod -R +x /steps
-ADD entrypoint.sh /entrypoint.sh
-RUN chmod +x /entrypoint.sh
-ENTRYPOINT ["/entrypoint.sh"]

action/entrypoint.sh

@@ -4,9 +4,9 @@
 # Run steps
 #
 
-source /steps/activate.sh
-source /steps/run_tests.sh
-source /steps/return_license.sh
+source /github/action/steps/activate.sh
+source /github/action/steps/run_tests.sh
+source /github/action/steps/return_license.sh
 
 #
 # Instructions for debugging

src/index.js

@@ -4,7 +4,7 @@ import { Action, Docker, Input, ImageTag, Output } from './model';
 async function action() {
   Action.checkCompatibility();
 
-  const { dockerfile, workspace, actionFolder } = Action;
+  const { workspace, actionFolder } = Action;
   const {
     unityVersion,
     customImage,
@@ -16,12 +16,10 @@ async function action() {
   } = Input.getFromUser();
   const baseImage = ImageTag.createForBase({ version: unityVersion, customImage });
 
-  // Build docker image
-  const actionImage = await Docker.build({ path: actionFolder, dockerfile, baseImage });
-
   // Run docker image
-  await Docker.run(actionImage, {
+  await Docker.run(baseImage, {
     workspace,
+    actionFolder,
     unityVersion,
     projectPath,
     testMode,

src/model/action.js

@@ -29,10 +29,6 @@ class Action {
     return `${Action.rootFolder}/action`;
   }
 
-  static get dockerfile() {
-    return `${Action.actionFolder}/Dockerfile`;
-  }
-
   static get workspace() {
     return process.env.GITHUB_WORKSPACE;
   }

src/model/action.test.js

@@ -26,11 +26,4 @@ describe('Action', () => {
     expect(path.basename(actionFolder)).toStrictEqual('action');
     expect(fs.existsSync(actionFolder)).toStrictEqual(true);
   });
-
-  it('returns the docker file', () => {
-    const { dockerfile } = Action;
-
-    expect(path.basename(dockerfile)).toStrictEqual('Dockerfile');
-    expect(fs.existsSync(dockerfile)).toStrictEqual(true);
-  });
 });

src/model/docker.js

@@ -1,26 +1,11 @@
 import { exec } from '@actions/exec';
-import ImageTag from './image-tag';
 
 class Docker {
-  static async build(buildParameters, silent = false) {
-    const { path, dockerfile, baseImage } = buildParameters;
-    const { version } = baseImage;
-
-    const tag = ImageTag.createForAction(version);
-    const command = `docker build ${path} \
-      --file ${dockerfile} \
-      --build-arg IMAGE=${baseImage} \
-      --tag ${tag}`;
-
-    await exec(command, null, { silent });
-
-    return tag;
-  }
-
   static async run(image, parameters, silent = false) {
     const {
       unityVersion,
       workspace,
+      actionFolder,
       projectPath,
       testMode,
       artifactsPath,
@@ -60,9 +45,11 @@ class Docker {
         --volume "/var/run/docker.sock":"/var/run/docker.sock" \
         --volume "/home/runner/work/_temp/_github_home":"/github/home" \
         --volume "/home/runner/work/_temp/_github_workflow":"/github/workflow" \
+        --volume "${actionFolder}":"/github/action" \
         --volume "${workspace}":"/github/workspace" \
+        --entrypoint="" \
         ${useHostNetwork ? '--net=host' : ''} \
-        ${image}`;
+        ${image} /bin/bash -c "chmod -R +x /github/action && /github/action/entrypoint.sh"`;
 
     await exec(command, null, { silent });
   }

src/model/docker.test.js

@@ -1,25 +0,0 @@
-import Action from './action';
-import Docker from './docker';
-import ImageTag from './image-tag';
-
-describe('Docker', () => {
-  it('builds', async () => {
-    const path = Action.actionFolder;
-    const dockerfile = `${path}/Dockerfile`;
-    const image = new ImageTag({
-      repository: '',
-      name: 'alpine',
-      version: '3',
-    });
-
-    const baseImage = {
-      toString: () => image.toString().slice(0, image.toString().lastIndexOf('-base-0')),
-      version: image.version,
-    };
-
-    const tag = await Docker.build({ path, dockerfile, baseImage }, true);
-
-    expect(tag).toBeInstanceOf(ImageTag);
-    expect(tag.toString()).toStrictEqual('unity-action:3-base-0');
-  }, 240000);
-});