feat: Docker optimizations to improve run time

.dockerignore

@@ -1,3 +1,4 @@
-.git/
-node_modules/
-
+*
+!package.json
+!package-lock.json
+!src

.gitignore

@@ -1,2 +1,2 @@
+dist/
 node_modules/
-

Dockerfile

@@ -1,7 +1,19 @@
+FROM node:20-alpine AS builder
+
+WORKDIR /action
+
+COPY package.json package-lock.json ./
+
+RUN npm ci
+
+COPY src ./src
+
+RUN npm run build
+
 FROM node:20-alpine
 
-ADD package.json package-lock.json /action/
-RUN cd /action && npm ci
+WORKDIR /action
+
+COPY --from=builder /action/dist ./dist
 
-ADD src /action/src
-ENTRYPOINT ["node", "/action/src/index.js"]
+CMD ["./dist/index.js"]

action.yml

@@ -24,7 +24,7 @@ inputs:
     default: https://www.conventionalcommits.org/en/v1.0.0/#summary
 runs:
   using: docker
-  image: Dockerfile
+  image: docker://ghcr.io/aslafy-z/conventional-pr-title-action
 branding:
   icon: shield
   color: green

package.json

@@ -4,6 +4,7 @@
   "description": "Ensure your PR title matches the Conventional Commits spec.",
   "main": "src/index.js",
   "scripts": {
+    "build": "ncc build src/index.js -o dist",
     "test": "jest src",
     "release": "semantic-release"
   },
@@ -30,6 +31,7 @@
     "npm-package-arg": "^10.1.0"
   },
   "devDependencies": {
+    "@vercel/ncc": "^0.36.1",
     "jest": "29.6.2"
   },
   "engines": {

src/installPreset.js

@@ -11,6 +11,7 @@ module.exports = async (preset) => {
   const {stdout, stderr} = await exec(`npm install --quiet ${preset}`, {
     cwd: path.resolve(__dirname)
   });
+  core.debug(stdout);
   core.debug(stderr);
   return Promise.resolve();
 };