feat: Added GitHub Actions for Docker Terraform

.github/workflows/ci-gradle.yml

@@ -1,6 +1,6 @@
 name: Java CI with Gradle
 on:
-  [ push, pull_request ]
+  workflow_call:
 
 jobs:
   build_on_test:

.github/workflows/docker.yml

@@ -0,0 +1,56 @@
+name: Docker build and push
+on:
+  workflow_call:
+    secrets:
+      DOCKERHUB_USERNAME:
+        required: true
+
+      DOCKERHUB_TOKEN:
+        required: true
+
+jobs:
+  docker:
+    strategy:
+      matrix:
+        project: [ foods, orders, notifications, payment ]
+
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@v4
+
+      - name: Setup Java 17
+        uses: actions/setup-java@v4
+        with:
+          distribution: 'temurin'
+          java-version: '17'
+
+      - name: Setup Gradle
+        uses: gradle/actions/setup-gradle@v4
+
+      - name: Test and Build
+        run: |
+          chmod +x gradlew
+          ./gradlew clean build
+
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker BuildX
+        uses: docker/setup-buildx-action@v3
+
+      - name: Build and Push for ${{ matrix.project }}
+        uses: docker/build-push-action@v6
+        with:
+          push: true
+          context: ./${{ matrix.project }}
+          file: ./${{ matrix.project }}/Dockerfile
+          platforms: linux/arm64,linux/amd64
+          tags: ${{ secrets.DOCKERHUB_USERNAME }}/${{ matrix.project }}:latest

.github/workflows/terraform-apply.yml

@@ -0,0 +1,49 @@
+name: 'Terraform Apply'
+
+on:
+  push:
+    branches:
+      - main
+
+env:
+  TF_CLOUD_ORGANIZATION: "${{ secrets.TERRAFORM_ORGANISATION }}"
+  TF_API_TOKEN: "${{ secrets.TF_API_TOKEN }}"
+  TF_WORKSPACE: "${{ secrets.TF_WORKSPACE }}"
+  CONFIG_DIRECTORY: "./infrastructure"
+
+jobs:
+  docker-build:
+    uses: ./.github/workflows/docker.yml
+    secrets:
+      DOCKERHUB_USERNAME: "${{ secrets.DOCKERHUB_USERNAME }}"
+      DOCKERHUB_TOKEN: "${{ secrets.DOCKERHUB_TOKEN }}"
+
+  terraform:
+    name: "Terraform Apply"
+    needs: [ docker-build ]
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Upload Configuration
+        uses: hashicorp/tfc-workflows-github/actions/[email protected]
+        id: apply-upload
+        with:
+          workspace: ${{ env.TF_WORKSPACE }}
+          directory: ${{ env.CONFIG_DIRECTORY }}
+
+      - name: Create Apply Run
+        uses: hashicorp/tfc-workflows-github/actions/[email protected]
+        id: apply-run
+        with:
+          workspace: ${{ env.TF_WORKSPACE }}
+          configuration_version: ${{ steps.apply-upload.outputs.configuration_version_id }}
+
+      - name: Wait for Manual Approval
+        run: |
+          echo "Terraform apply requires manual approval in Terraform Cloud."
+          echo "Go to Terraform Cloud UI to approve the apply: ${{ steps.apply-run.outputs.run_link }}"

.github/workflows/terraform-plan.yml

@@ -0,0 +1,83 @@
+name: Terraform Plan
+on:
+  [ pull_request ]
+
+env:
+  TF_CLOUD_ORGANIZATION: "${{ secrets.TERRAFORM_ORGANISATION }}"
+  TF_API_TOKEN: "${{ secrets.TF_API_TOKEN }}"
+  TF_WORKSPACE: "${{ secrets.TF_WORKSPACE }}"
+  CONFIG_DIRECTORY: "./infrastructure"
+
+jobs:
+  ci-gradle:
+    uses: ./.github/workflows/ci-gradle.yml
+
+  terraform:
+    needs: [ ci-gradle ]
+    name: "Terraform Plan"
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      pull-requests: write
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Upload Configuration
+        uses: hashicorp/tfc-workflows-github/actions/[email protected]
+        id: plan-upload
+        with:
+          workspace: ${{ env.TF_WORKSPACE }}
+          directory: ${{ env.CONFIG_DIRECTORY }}
+          speculative: true
+
+      - name: Create Plan Run
+        uses: hashicorp/tfc-workflows-github/actions/[email protected]
+        id: plan-run
+        with:
+          workspace: ${{ env.TF_WORKSPACE }}
+          configuration_version: ${{ steps.plan-upload.outputs.configuration_version_id }}
+          plan_only: true
+
+      - name: Get Plan Output
+        uses: hashicorp/tfc-workflows-github/actions/[email protected]
+        id: plan-output
+        with:
+          plan: ${{ fromJSON(steps.plan-run.outputs.payload).data.relationships.plan.data.id }}
+
+      - name: Update PR
+        uses: actions/github-script@v6
+        id: plan-comment
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          script: |
+            // 1. Retrieve existing bot comments for the PR
+            const { data: comments } = await github.rest.issues.listComments({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              issue_number: context.issue.number,
+            });
+            const botComment = comments.find(comment => {
+              return comment.user.type === 'Bot' && comment.body.includes('HCP Terraform Plan Output')
+            });
+            const output = `#### HCP Terraform Plan Output
+                \`\`\`
+                Plan: ${{ steps.plan-output.outputs.add }} to add, ${{ steps.plan-output.outputs.change }} to change, ${{ steps.plan-output.outputs.destroy }} to destroy.
+                \`\`\`
+                [HCP Terraform Plan](${{ steps.plan-run.outputs.run_link }})
+                `;
+            // 3. Delete previous comment so PR timeline makes sense
+            if (botComment) {
+              github.rest.issues.deleteComment({
+                owner: context.repo.owner,
+                repo: context.repo.repo,
+                comment_id: botComment.id,
+              });
+            }
+            github.rest.issues.createComment({
+              issue_number: context.issue.number,
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              body: output
+            });

infrastructure/main.tf

@@ -0,0 +1,16 @@
+resource "aws_iam_group" "developers" {
+  name = "developers"
+}
+
+terraform {
+  required_providers {
+    aws = {
+      source  = "hashicorp/aws"
+      version = "~> 5.0"
+    }
+  }
+}
+
+provider "aws" {
+  region = "eu-west-2"
+}