Implemented GitHub Actions for Docker Build & Push

.github/workflows/build-deploy.yml

@@ -0,0 +1,75 @@
+name: Docker CI/CD for Coderacer Backend
+
+on:
+  push:
+    branches:
+      - main
+      - cicd
+
+env:
+  IMAGE_NAME: coderacer-postgres # Name of your Docker image
+  DOCKER_REGISTRY: ghcr.io      # Using GitHub Container Registry (ghcr.io)
+  APP_PORT: 8000
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      # Step to define a lowercase repository name
+      - name: Set lowercase repository name
+        id: set_repo_name
+        run: echo "LOWER_REPO_NAME=$(echo '${{ github.repository }}' | tr '[:upper:]' '[:lower:]')" >> $GITHUB_ENV
+
+      - name: Set up JDK 17
+        uses: actions/setup-java@v4
+        with:
+          java-version: '17'
+          distribution: 'temurin'
+          cache: 'maven'
+
+      - name: Build Spring Boot application with Maven
+        run: mvn clean install -DskipTests
+        working-directory: ./
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to Docker Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.DOCKER_REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          file: ./Dockerfile
+          push: true
+          tags: |
+            ${{ env.DOCKER_REGISTRY }}/${{ env.LOWER_REPO_NAME }}/${{ env.IMAGE_NAME }}:${{ github.sha }}
+            ${{ env.DOCKER_REGISTRY }}/${{ env.LOWER_REPO_NAME }}/${{ env.IMAGE_NAME }}:latest
+          build-args: |
+            APP_PORT=${{ env.APP_PORT }}
+            SQL_DATABASE=${{ secrets.SQL_DATABASE }}
+            SQL_USERNAME=${{ secrets.SQL_USERNAME }}
+            SQL_PASSWORD=${{ secrets.SQL_PASSWORD }}
+            EMAIL_ADDRESS=${{ secrets.EMAIL_ADDRESS }}
+            EMAIL_PASSWORD=${{ secrets.EMAIL_PASSWORD }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+        env:
+          SQL_DATABASE: ${{ secrets.SQL_DATABASE }}
+          SQL_USERNAME: ${{ secrets.SQL_USERNAME }}
+          SQL_PASSWORD: ${{ secrets.SQL_PASSWORD }}
+          EMAIL_ADDRESS: ${{ secrets.EMAIL_ADDRESS }}
+          EMAIL_PASSWORD: ${{ secrets.EMAIL_PASSWORD }}

.mvn/wrapper/maven-wrapper.properties

@@ -0,0 +1,19 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+wrapperVersion=3.3.2
+distributionType=only-script
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.9/apache-maven-3.9.9-bin.zip

Dockerfile

@@ -0,0 +1,55 @@
+# Stage 1: Build the React frontend
+FROM node:20 AS frontend-build
+
+WORKDIR /frontend
+
+# Install dependencies
+COPY frontend/package.json frontend/package-lock.json ./
+RUN npm install --legacy-peer-deps
+
+# Copy the rest of the frontend source code
+COPY frontend .
+
+# Build the React frontend
+RUN npm run build
+
+# Stage 2: Build the Spring Boot application
+FROM eclipse-temurin:21-jdk-jammy AS build
+
+WORKDIR /app
+
+
+# Copy the Maven wrapper and pom.xml to leverage Docker caching
+COPY mvnw .
+COPY .mvn .mvn
+COPY pom.xml .
+
+# Grant execute permissions to mvnw
+RUN chmod +x mvnw
+
+# Download dependencies (only if pom.xml changes)
+RUN ./mvnw dependency:go-offline -B
+
+# Copy the rest of the source code
+COPY src ./src
+
+# Copy React build output into Spring Boot static resources
+COPY --from=frontend-build /frontend/build ./src/main/resources/static
+
+# Build the Spring Boot application
+RUN ./mvnw clean install -DskipTests
+
+# Stage 3: Create the final Docker image
+FROM eclipse-temurin:21-jre-jammy
+
+# Set the working directory
+WORKDIR /app
+
+# Copy the built JAR from the build stage
+COPY --from=build /app/target/*.jar app.jar
+
+# Expose the port your Spring Boot app runs on (default is 8080, but yours is 8000)
+EXPOSE 8000
+
+# Run the Spring Boot application
+ENTRYPOINT ["java", "-jar", "app.jar"]

docker-compose.yaml

@@ -5,9 +5,9 @@ services:
     image: postgres:16-alpine
     container_name: coderacer-postgres
     environment:
-      POSTGRES_DB: ${POSTGRES_DB}
-      POSTGRES_USER: ${POSTGRES_USER}
-      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
+      POSTGRES_DB: ${SQL_DATABASE}
+      POSTGRES_USER: ${SQL_USERNAME}
+      POSTGRES_PASSWORD: ${SQL_PASSWORD}
     ports:
       - "5332:5432"
     volumes: