Add frontend compilation step to deploy.yml workflow

.github/workflows/deploy.yml

@@ -25,27 +25,6 @@ jobs:
         with:
           fetch-depth: 0
 
-      - name: Set Up Node.js For Frontend Compilation
-        uses: actions/setup-node@v4
-        with:
-          node-version: 20
-
-      - name: Install Yarn
-        run: npm install -g yarn
-
-      - name: Compile Frontend
-        run: |
-          cd frontend
-          yarn check --integrity || yarn install
-          yarn deploy
-
-      - name: Amend compilation changes to last commit
-        run: |
-          git config --local user.email "[email protected]"
-          git config --local user.name "GitHub Action"
-          git add -A
-          git commit --amend --no-edit
-
       - name: Dokku
         uses: dokku/[email protected]
         with:

Dockerfile

@@ -1,5 +1,14 @@
 # syntax = docker/dockerfile:1
 
+# Compile frontend in Node.js environment
+FROM node:20-alpine as frontend
+
+WORKDIR /frontend
+
+COPY frontend ./
+RUN yarn install
+RUN yarn deploy
+
 # Make sure RUBY_VERSION matches the Ruby version in .ruby-version and Gemfile
 ARG RUBY_VERSION=3.1.2
 FROM registry.docker.com/library/ruby:$RUBY_VERSION-slim as base