add voting app infrastructure configuration

.github/workflows/call-docker-build-result.yaml

@@ -6,13 +6,15 @@ on:
   push:
     branches:
       - 'main'
+      - 'feature/terraform-setup'
     # only build when important files change
     paths:
       - 'result/**'
       - '.github/workflows/call-docker-build-result.yaml'
   pull_request:
     branches:
       - 'main'
+      - 'feature/terraform-setup'
     # only build when important files change
     paths:
       - 'result/**'
@@ -44,24 +46,22 @@ jobs:
       ### ENABLE ONE OR BOTH REGISTRIES
       ### tell docker where to push.
       ### NOTE if Docker Hub is set to true, you must set secrets above and also add account/repo/tags below
-      dockerhub-enable: true
+      dockerhub-enable: false
       ghcr-enable: true
 
       ### REQUIRED 
       ### A list of the account/repo names for docker build. List should match what's enabled above
       ### defaults to:
       image-names: |
-        ghcr.io/dockersamples/example-voting-app-result
-        dockersamples/examplevotingapp_result
+        ghcr.io/emah1/example-voting-app-result
 
       ### REQUIRED set rules for tagging images, based on special action syntax:
       ### https://github.com/docker/metadata-action#tags-input
       ### defaults to:
       tag-rules: |
-        type=raw,value=latest,enable=${{ endsWith(github.ref, github.event.repository.default_branch) }}
-        type=raw,value=before,enable=${{ endsWith(github.ref, github.event.repository.default_branch) }}
-        type=raw,value=after,enable=${{ endsWith(github.ref, github.event.repository.default_branch) }}
+        type=ref,event=branch
         type=ref,event=pr
+        type=ref,event=tag
 
       ### path to where docker should copy files into image
       ### defaults to root of repository (.)

.github/workflows/call-docker-build-vote.yaml

@@ -6,13 +6,15 @@ on:
   push:
     branches:
       - 'main'
+      - 'feature/terraform-setup'
     # only build when important files change
     paths:
       - 'vote/**'
       - '.github/workflows/call-docker-build-vote.yaml'
   pull_request:
     branches:
       - 'main'
+      - 'feature/terraform-setup'
     # only build when important files change
     paths:
       - 'vote/**'
@@ -44,24 +46,22 @@ jobs:
       ### ENABLE ONE OR BOTH REGISTRIES
       ### tell docker where to push.
       ### NOTE if Docker Hub is set to true, you must set secrets above and also add account/repo/tags below
-      dockerhub-enable: true
+      dockerhub-enable: false
       ghcr-enable: true
 
       ### REQUIRED 
       ### A list of the account/repo names for docker build. List should match what's enabled above
       ### defaults to:
       image-names: |
-        ghcr.io/dockersamples/example-voting-app-vote
-        dockersamples/examplevotingapp_vote
+        ghcr.io/emah1/example-voting-app-vote
 
       ### REQUIRED set rules for tagging images, based on special action syntax:
       ### https://github.com/docker/metadata-action#tags-input
       ### defaults to:
       tag-rules: |
-        type=raw,value=latest,enable=${{ endsWith(github.ref, github.event.repository.default_branch) }}
-        type=raw,value=before,enable=${{ endsWith(github.ref, github.event.repository.default_branch) }}
-        type=raw,value=after,enable=${{ endsWith(github.ref, github.event.repository.default_branch) }}
+        type=ref,event=branch
         type=ref,event=pr
+        type=ref,event=tag
 
       ### path to where docker should copy files into image
       ### defaults to root of repository (.)

.github/workflows/call-docker-build-worker.yaml

@@ -6,13 +6,15 @@ on:
   push:
     branches:
       - 'main'
+      - 'feature/terraform-setup'
     # only build when important files change
     paths:
       - 'worker/**'
       - '.github/workflows/call-docker-build-worker.yaml'
   pull_request:
     branches:
       - 'main'
+      - 'feature/terraform-setup'
     # only build when important files change
     paths:
       - 'worker/**'
@@ -44,22 +46,21 @@ jobs:
       ### ENABLE ONE OR BOTH REGISTRIES
       ### tell docker where to push.
       ### NOTE if Docker Hub is set to true, you must set secrets above and also add account/repo/tags below
-      dockerhub-enable: true
+      dockerhub-enable: false
       ghcr-enable: true
 
       ### REQUIRED 
       ### A list of the account/repo names for docker build. List should match what's enabled above
       ### defaults to:
       image-names: |
-        ghcr.io/dockersamples/example-voting-app-worker
-        dockersamples/examplevotingapp_worker
-
+        ghcr.io/emah1/example-voting-app-worker
       ### REQUIRED set rules for tagging images, based on special action syntax:
       ### https://github.com/docker/metadata-action#tags-input
       ### defaults to:
       tag-rules: |
-        type=raw,value=latest,enable=${{ endsWith(github.ref, github.event.repository.default_branch) }}
+        type=ref,event=branch
         type=ref,event=pr
+        type=ref,event=tag
 
       ### path to where docker should copy files into image
       ### defaults to root of repository (.)

.github/workflows/terraform-validate.yml

@@ -0,0 +1,44 @@
+name: Terraform Validation
+
+on:
+  push:
+    branches:
+      - main
+      - feature/terraform-setup
+    paths:
+      - 'terraform/**'
+      - '.github/workflows/terraform-validate.yml'
+  pull_request:
+    branches:
+      - main
+    paths:
+      - 'terraform/**'
+      - '.github/workflows/terraform-validate.yml'
+
+permissions:
+  contents: read
+
+jobs:
+  validate:
+    name: Format and Validate Terraform
+    runs-on: ubuntu-latest
+
+    defaults:
+      run:
+        working-directory: terraform
+
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v4
+
+      - name: Set up Terraform
+        uses: hashicorp/setup-terraform@v3
+
+      - name: Check formatting
+        run: terraform fmt -check -recursive
+
+      - name: Initialize Terraform without a backend
+        run: terraform init -backend=false -input=false
+
+      - name: Validate configuration
+        run: terraform validate

.github/workflows/validate-voting-app.yml

@@ -0,0 +1,46 @@
+
+name: Validate Voting App
+
+on:
+  push:
+    branches:
+      - main
+      - feature/three-voting-options
+      - feature/terraform-setup
+  pull_request:
+    branches:
+      - main
+
+permissions:
+  contents: read
+
+jobs:
+  validate:
+    name: Validate and Build
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.x"
+
+      - name: Check Python syntax
+        run: python -m py_compile vote/app.py
+
+      - name: Check patch formatting
+        run: git diff --check origin/main...HEAD
+
+      - name: Build Vote image
+        run: docker build -t voting-app-vote:ci ./vote
+
+      - name: Build Result image
+        run: docker build -t voting-app-result:ci ./result
+
+      - name: Build Worker image
+        run: docker build -t voting-app-worker:ci ./worker

.gitignore

@@ -4,3 +4,10 @@ bin/
 obj/
 .vs/
 node_modules/
+# Terraform
+**/.terraform/*
+*.tfstate
+*.tfstate.*
+crash.log
+crash.*.log
+.local/

docker-compose.yml

@@ -7,6 +7,10 @@ services:
     build: 
       context: ./vote
       target: dev
+    environment:
+      OPTION_A: "NDC / Peter Obi"
+      OPTION_B: "ADC / Atiku"
+      OPTION_C: "APC / Tinubu"
     depends_on:
       redis:
         condition: service_healthy

helm/voting-app/Chart.yaml

@@ -0,0 +1,6 @@
+apiVersion: v2
+name: voting-app
+description: Local Kubernetes Helm chart for the Voting App
+type: application
+version: 0.1.0
+appVersion: "1.0.0"

helm/voting-app/templates/db.yaml

@@ -0,0 +1,76 @@
+apiVersion: v1
+kind: Secret
+metadata:
+  name: {{ .Release.Name }}-db
+type: Opaque
+stringData:
+  username: {{ .Values.postgres.username | quote }}
+  password: {{ .Values.postgres.password | quote }}
+---
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: {{ .Release.Name }}-db-data
+spec:
+  accessModes:
+    - ReadWriteOnce
+  resources:
+    requests:
+      storage: {{ .Values.postgres.storage }}
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ .Release.Name }}-db
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: {{ .Release.Name }}-db
+  template:
+    metadata:
+      labels:
+        app: {{ .Release.Name }}-db
+    spec:
+      containers:
+        - name: postgres
+          image: postgres:15-alpine
+          ports:
+            - containerPort: 5432
+          env:
+            - name: POSTGRES_USER
+              valueFrom:
+                secretKeyRef:
+                  name: {{ .Release.Name }}-db
+                  key: username
+            - name: POSTGRES_PASSWORD
+              valueFrom:
+                secretKeyRef:
+                  name: {{ .Release.Name }}-db
+                  key: password
+            - name: POSTGRES_DB
+              value: {{ .Values.postgres.database | quote }}
+          readinessProbe:
+            exec:
+              command: ["sh", "-c", "pg_isready -U \"$POSTGRES_USER\" -d \"$POSTGRES_DB\""]
+            initialDelaySeconds: 5
+            periodSeconds: 5
+          volumeMounts:
+            - name: db-data
+              mountPath: /var/lib/postgresql/data
+      volumes:
+        - name: db-data
+          persistentVolumeClaim:
+            claimName: {{ .Release.Name }}-db-data
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: db
+spec:
+  selector:
+    app: {{ .Release.Name }}-db
+  ports:
+    - name: postgres
+      port: 5432
+      targetPort: 5432

helm/voting-app/templates/redis.yaml

@@ -0,0 +1,36 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ .Release.Name }}-redis
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: {{ .Release.Name }}-redis
+  template:
+    metadata:
+      labels:
+        app: {{ .Release.Name }}-redis
+    spec:
+      containers:
+        - name: redis
+          image: redis:alpine
+          ports:
+            - containerPort: 6379
+          readinessProbe:
+            exec:
+              command: ["redis-cli", "ping"]
+            initialDelaySeconds: 3
+            periodSeconds: 5
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: redis
+spec:
+  selector:
+    app: {{ .Release.Name }}-redis
+  ports:
+    - name: redis
+      port: 6379
+      targetPort: 6379