Added Dockerfile for investment service as well as git actions for it

Author: pratikb0501

.github/workflows/investmentservice-ci.yml

@@ -0,0 +1,39 @@
+name: CI/CD - LoanService
+
+on:
+  push:
+    paths:
+      - 'investmentservice/**'
+    branches:
+      - main
+
+jobs:
+  build-and-deploy:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Set up JDK 17
+        uses: actions/setup-java@v3
+        with:
+          java-version: '17'
+          distribution: 'temurin'
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Login to DockerHub
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          file: ./investmentservice/Dockerfile
+          push: true
+          tags: pratikbagm/investmentservice:latest

investmentservice/Dockerfile

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+# Stage 1: Build
+FROM eclipse-temurin:17-jdk-jammy AS build
+
+WORKDIR /app
+
+# Copy everything for Maven context
+COPY . .
+
+# Grant permission to mvnw
+RUN chmod +x mvnw
+
+# Download dependencies
+RUN ./mvnw dependency:go-offline
+
+# Build the fat JAR
+RUN ./mvnw clean package -DskipTests
+
+# Stage 2: Run
+FROM eclipse-temurin:17-jre-jammy
+
+WORKDIR /app
+
+# Copy fat JAR
+COPY --from=build /app/investmentservice/target/investmentservice-0.0.1-SNAPSHOT.jar app.jar
+
+EXPOSE 8083
+
+ENTRYPOINT ["java", "-jar", "app.jar"]