initial commit

Change-Id: Iccb9a69a29ce96d618762c5c852c8ec43d9b78df

.gitea/workflows/build-push.yml

@@ -0,0 +1,81 @@
+name: Build and Push to ACR
+
+on:
+  push:
+    branches: [ "main" ]
+  workflow_dispatch: {}
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+env:
+  AZURE_FEDERATED_TOKEN_FILE: /var/run/secrets/azure/tokens/azure-identity-token
+
+jobs:
+  build:
+    name: Build and Push
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      id-token: write
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Install Azure CLI
+        run: |
+          command -v az &>/dev/null || curl -sL https://aka.ms/InstallAzureCLIDeb | bash
+
+      - name: Install Docker CLI
+        run: |
+          command -v docker &>/dev/null || (apt-get update -qq && apt-get install -y docker.io)
+          docker --version
+
+      - name: Azure login (OIDC)
+        run: |
+          az login \
+            --service-principal \
+            --username "$AZURE_CLIENT_ID" \
+            --tenant "$AZURE_TENANT_ID" \
+            --federated-token "$(cat $AZURE_FEDERATED_TOKEN_FILE)"
+          echo "✓ Azure login successful"
+
+      - name: Get ACR details
+        id: acr
+        run: |
+          ACR_NAME=$(az acr list --query "[0].name" -o tsv)
+          ACR_NAME="${ACR_NAME:-bstagecjotdevacr}"
+          echo "ACR_NAME=$ACR_NAME" >> $GITHUB_ENV
+          echo "ACR_LOGIN_SERVER=${ACR_NAME}.azurecr.io" >> $GITHUB_ENV
+          echo "✓ Using ACR: ${ACR_NAME}.azurecr.io"
+
+      - name: ACR Login
+        run: |
+          ACR_TOKEN=$(az acr login --name "$ACR_NAME" --expose-token --output tsv --query accessToken)
+          docker login "$ACR_LOGIN_SERVER" \
+            --username 00000000-0000-0000-0000-000000000000 \
+            --password "$ACR_TOKEN"
+          echo "✓ ACR login successful"
+
+      - name: Build and Push Docker image
+        run: |
+          IMAGE_TAG="${{ gitea.sha }}"
+          IMAGE_FULL="${ACR_LOGIN_SERVER}/test-micro-alex-stable-1:${IMAGE_TAG}"
+          IMAGE_LATEST="${ACR_LOGIN_SERVER}/test-micro-alex-stable-1:latest"
+          docker build -t "$IMAGE_FULL" -t "$IMAGE_LATEST" .
+          docker push "$IMAGE_FULL"
+          docker push "$IMAGE_LATEST"
+          echo "IMAGE_FULL=$IMAGE_FULL" >> $GITHUB_ENV
+          echo "✓ Pushed: $IMAGE_FULL"
+
+      - name: Build Summary
+        run: |
+          echo "### ✅ Build Successful" >> $GITHUB_STEP_SUMMARY
+          echo "| | |" >> $GITHUB_STEP_SUMMARY
+          echo "|---|---|" >> $GITHUB_STEP_SUMMARY
+          echo "| **Service** | test-micro-alex-stable-1 |" >> $GITHUB_STEP_SUMMARY
+          echo "| **Runtime** | Node.js Express |" >> $GITHUB_STEP_SUMMARY
+          echo "| **Commit** | ${{ gitea.sha }} |" >> $GITHUB_STEP_SUMMARY
+          echo "| **Image** | $IMAGE_FULL |" >> $GITHUB_STEP_SUMMARY

.gitea/workflows/deploy-humanitec.yml

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+name: Deploy to Humanitec
+
+on:
+  workflow_run:
+    workflows: ["Build and Push to ACR"]
+    types:
+      - completed
+    branches: [ "main" ]
+  workflow_dispatch:
+    inputs:
+      environment:
+        description: 'Target environment'
+        required: true
+        default: 'dev'
+        type: choice
+        options:
+          - dev
+          - staging
+          - prod
+
+env:
+  APP_ID: test-micro-alex-stable-1
+  PROJECT_ID: test-micro-alex-stable-1
+  AZURE_FEDERATED_TOKEN_FILE: /var/run/secrets/azure/tokens/azure-identity-token
+  DEFAULT_ENV_ID: dev
+
+jobs:
+  deploy:
+    name: Deploy to Humanitec
+    runs-on: ubuntu-latest
+    if: github.event_name == 'workflow_dispatch' || github.event.workflow_run.conclusion == 'success'
+    permissions:
+      contents: read
+      id-token: write
+    outputs:
+      sha: ${{ steps.get-sha.outputs.sha }}
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Get short SHA
+        id: get-sha
+        run: echo "sha=$(git rev-parse HEAD)" >> $GITHUB_OUTPUT
+
+      - name: Install CLI tools
+        run: |
+          # jq (needed for github API call)
+          command -v jq &>/dev/null || (apt-get update -qq && apt-get install -y -qq jq)
+          # hctl (Humanitec Platform Orchestrator v2 CLI)
+          HCTL_VERSION=$(curl -s https://api.github.com/repos/humanitec/hctl/releases/latest | jq -r '.tag_name')
+          curl -fLO "https://github.com/humanitec/hctl/releases/download/${HCTL_VERSION}/hctl_${HCTL_VERSION#v}_linux_amd64.tar.gz"
+          tar -xzf "hctl_${HCTL_VERSION#v}_linux_amd64.tar.gz"
+          install -m 755 hctl /usr/local/bin/hctl
+          hctl --version
+          echo "✓ Tools installed"
+
+      - name: Install Azure CLI
+        run: command -v az &>/dev/null || curl -sL https://aka.ms/InstallAzureCLIDeb | bash
+
+      - name: Azure login (OIDC)
+        run: |
+          az login \
+            --service-principal \
+            --username "$AZURE_CLIENT_ID" \
+            --tenant "$AZURE_TENANT_ID" \
+            --federated-token "$(cat $AZURE_FEDERATED_TOKEN_FILE)"
+          echo "✓ Azure login successful"
+
+      - name: Get image reference
+        id: image
+        run: |
+          ACR_LOGIN_SERVER=$(az acr list --query "[0].loginServer" -o tsv)
+          SHA=${{ steps.get-sha.outputs.sha }}
+          echo "IMAGE_FULL=${ACR_LOGIN_SERVER}/test-micro-alex-stable-1:${SHA}" >> $GITHUB_ENV
+          echo "✓ Image: ${ACR_LOGIN_SERVER}/test-micro-alex-stable-1:${SHA}"
+
+      - name: Set environment
+        id: set-env
+        run: |
+          if [ "${{ gitea.event_name }}" = "workflow_dispatch" ]; then
+            ENV_ID="${{ gitea.event.inputs.environment }}"
+          else
+            ENV_ID="$DEFAULT_ENV_ID"
+          fi
+          ENV_ID="${ENV_ID:-dev}"
+          echo "ENV_ID=$ENV_ID" >> $GITHUB_OUTPUT
+          echo "ENV_ID=$ENV_ID" >> $GITHUB_ENV
+          echo "✓ Target environment: $ENV_ID"
+
+      - name: Get Humanitec credentials from Key Vault
+        run: |
+          HUMANITEC_TOKEN=$(az keyvault secret show \
+            --vault-name "bstage-cjot-dev-core-kv" \
+            --name "humanitec-api-token-v2" \
+            --query "value" -o tsv)
+          [ -z "$HUMANITEC_TOKEN" ] && echo "❌ Failed to retrieve HUMANITEC_TOKEN" && exit 1
+          echo "HUMANITEC_AUTH_TOKEN=$HUMANITEC_TOKEN" >> $GITHUB_ENV
+
+          HUMANITEC_ORG=$(az keyvault secret show \
+            --vault-name "bstage-cjot-dev-core-kv" \
+            --name "humanitec-org-id" \
+            --query "value" -o tsv)
+          [ -z "$HUMANITEC_ORG" ] && echo "❌ Failed to retrieve HUMANITEC_ORG" && exit 1
+          echo "HUMANITEC_ORG=$HUMANITEC_ORG" >> $GITHUB_ENV
+          echo "✓ Credentials retrieved"
+
+      - name: Deploy via Humanitec Score
+        run: |
+          # Pre-flight: wait for any prior deployment to finish before calling hctl.
+          # hctl refuses to start a new deployment while one is still executing.
+          echo "Pre-flight: checking for in-progress deployments..."
+          PREFLIGHT_WAITED=0
+          while [ $PREFLIGHT_WAITED -lt 300 ]; do
+            PREFLIGHT_STATUS=$(curl -sf \
+              -H "Authorization: Bearer $HUMANITEC_AUTH_TOKEN" \
+              "https://api.humanitec.dev/orgs/$HUMANITEC_ORG/last-deployments?env_id=$ENV_ID&project_id=$PROJECT_ID&state_change_only=true" \
+              | jq -r '.items[0].status // "none"' 2>/dev/null || echo "none")
+            if [ "$PREFLIGHT_STATUS" != "in progress" ] && [ "$PREFLIGHT_STATUS" != "pending" ] && [ "$PREFLIGHT_STATUS" != "executing" ]; then
+              echo "Pre-flight passed (status=$PREFLIGHT_STATUS). Proceeding."
+              break
+            fi
+            echo "  Prior deployment still running ($PREFLIGHT_WAITED s elapsed, status=$PREFLIGHT_STATUS)..."
+            sleep 15
+            PREFLIGHT_WAITED=$((PREFLIGHT_WAITED + 15))
+          done
+          # First deploy — provisions all resources. On a brand-new Humanitec project the
+          # dns-k8s-ingress Terraform module runs before the K8s Service exists, so the
+          # ingress backend port falls back to 3000. A second deploy (below) corrects it
+          # once the Service is up, which is essential for apps not running on port 3000.
+          HCTL_EXIT=0
+          timeout 300 hctl score deploy "$PROJECT_ID" "$ENV_ID" score.yaml \
+            --no-prompt \
+            --default-image "$IMAGE_FULL" || HCTL_EXIT=$?
+          if [ "$HCTL_EXIT" -eq 0 ]; then
+            echo "✓ First deployment complete to $ENV_ID"
+          elif [ "$HCTL_EXIT" -eq 124 ]; then
+            echo "✓ First deployment submitted (polling timed out — waiting for K8s to settle)"
+          else
+            echo "✗ hctl failed with exit code $HCTL_EXIT"
+            exit $HCTL_EXIT
+          fi
+          # Poll Humanitec API until the first deployment is no longer in-progress before
+          # re-deploying. A flat sleep is unreliable — Terraform DNS modules can take 4-6 min.
+          echo "Waiting for first deployment to finish (polling Humanitec API)..."
+          MAX_WAIT=360
+          WAITED=0
+          while [ $WAITED -lt $MAX_WAIT ]; do
+            DEPLOY_STATUS=$(curl -sf \
+              -H "Authorization: Bearer $HUMANITEC_AUTH_TOKEN" \
+              "https://api.humanitec.dev/orgs/$HUMANITEC_ORG/last-deployments?env_id=$ENV_ID&project_id=$PROJECT_ID&state_change_only=true" \
+              | jq -r '.items[0].status // "unknown"' 2>/dev/null || echo "unknown")
+            if [ "$DEPLOY_STATUS" != "in progress" ] && [ "$DEPLOY_STATUS" != "pending" ] && [ "$DEPLOY_STATUS" != "executing" ]; then
+              echo "First deployment finished with status: $DEPLOY_STATUS"
+              break
+            fi
+            echo "  Still running ($WAITED s elapsed, status=$DEPLOY_STATUS)..."
+            sleep 15
+            WAITED=$((WAITED + 15))
+          done
+          if [ $WAITED -ge $MAX_WAIT ]; then
+            echo "Warning: first deployment still running after $MAX_WAIT s — proceeding anyway"
+          fi
+          # Second deploy — dns module now reads the real K8s Service port, fixing the
+          # ingress backend. This is a no-op for apps already routed correctly (e.g. port 3000).
+          HCTL_EXIT2=0
+          timeout 120 hctl score deploy "$PROJECT_ID" "$ENV_ID" score.yaml \
+            --no-prompt \
+            --default-image "$IMAGE_FULL" || HCTL_EXIT2=$?
+          if [ "$HCTL_EXIT2" -eq 0 ]; then
+            echo "✓ Deployment finalised to $ENV_ID"
+          elif [ "$HCTL_EXIT2" -eq 124 ]; then
+            echo "✓ Second deployment submitted (polling timed out)"
+          else
+            echo "✗ Second hctl deploy failed with exit code $HCTL_EXIT2"
+            exit $HCTL_EXIT2
+          fi
+
+      - name: Deployment Summary
+        run: |
+          DEPLOY_URL="https://console.humanitec.dev/orgs/${HUMANITEC_ORG}/projects/$APP_ID"
+          echo "### 🚀 Deployment Complete" >> $GITHUB_STEP_SUMMARY
+          echo "| | |" >> $GITHUB_STEP_SUMMARY
+          echo "|---|---|" >> $GITHUB_STEP_SUMMARY
+          echo "| **Service** | $APP_ID |" >> $GITHUB_STEP_SUMMARY
+          echo "| **Environment** | $ENV_ID |" >> $GITHUB_STEP_SUMMARY
+          echo "| **Image** | $IMAGE_FULL |" >> $GITHUB_STEP_SUMMARY
+          echo "| **Humanitec** | [$DEPLOY_URL]($DEPLOY_URL) |" >> $GITHUB_STEP_SUMMARY

.gitea/workflows/techdocs.yml

@@ -0,0 +1,90 @@
+name: Build and Publish TechDocs
+
+on:
+  workflow_run:
+    workflows: ["Build and Push to ACR"]
+    branches: [main]
+    types: [completed]
+  workflow_dispatch: {}
+
+env:
+  AZURE_FEDERATED_TOKEN_FILE: /var/run/secrets/azure/tokens/azure-identity-token
+  AZURE_ACCOUNT_NAME: "bstagecjotdevsttechdocs"
+  ENTITY_NAMESPACE: default
+  ENTITY_KIND: component
+  ENTITY_NAME: test-micro-alex-stable-1
+
+jobs:
+  build-and-publish:
+    if: >-
+      ${{ github.event.workflow_run.conclusion == 'success' || github.event_name == 'workflow_dispatch' }}
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      id-token: write
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Bootstrap pip
+        run: |
+          python3 --version
+          if python3 -m pip --version 2>/dev/null; then
+            echo "pip already available"
+          elif python3 -m ensurepip --version 2>/dev/null; then
+            python3 -m ensurepip --upgrade
+          else
+            apt-get update -qq
+            apt-get install -y python3-pip
+          fi
+          python3 -m pip install --upgrade pip
+          python3 -m pip --version
+
+      - name: Install dependencies
+        run: |
+          python3 -m pip install --upgrade pip
+          python3 -m pip install \
+            mkdocs-techdocs-core==1.* \
+            mkdocs-git-revision-date-localized-plugin \
+            mkdocs-awesome-pages-plugin
+
+          npm install -g @techdocs/cli
+
+      - name: Validate MkDocs config
+        run: mkdocs build --strict --site-dir /tmp/mkdocs-validate
+
+      - name: Build TechDocs site
+        run: |
+          techdocs-cli generate \
+            --source-dir . \
+            --output-dir ./site \
+            --no-docker \
+            --verbose
+
+      - name: Install Azure CLI
+        run: |
+          if command -v az &>/dev/null; then
+            echo "Azure CLI already installed: $(az version --query '"azure-cli"' -o tsv)"
+          else
+            curl -sL https://aka.ms/InstallAzureCLIDeb | bash
+          fi
+
+      - name: Azure login (OIDC)
+        run: |
+          az login \
+            --service-principal \
+            --username "$AZURE_CLIENT_ID" \
+            --tenant "$AZURE_TENANT_ID" \
+            --federated-token "$(cat $AZURE_FEDERATED_TOKEN_FILE)"
+
+          echo "Azure login successful"
+
+      - name: Publish TechDocs site
+        run: |
+          techdocs-cli publish \
+            --publisher-type azureBlobStorage \
+            --storage-name "techdocs" \
+            --azureAccountName "$AZURE_ACCOUNT_NAME" \
+            --entity "$ENTITY_NAMESPACE/$ENTITY_KIND/$ENTITY_NAME"

.gitignore

@@ -0,0 +1,5 @@
+node_modules/
+npm-debug.log*
+.env
+.DS_Store
+dist/

Dockerfile

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+# ---- Dependency install stage ----
+FROM node:20-alpine AS deps
+WORKDIR /app
+COPY package.json ./
+RUN npm install --omit=dev
+
+# ---- Runtime stage ----
+FROM node:20-alpine
+WORKDIR /app
+
+# Non-root user
+RUN addgroup -S appgroup && adduser -S appuser -G appgroup
+USER appuser
+
+COPY --from=deps /app/node_modules ./node_modules
+COPY package.json ./
+COPY src/ ./src/
+
+EXPOSE 3000
+
+HEALTHCHECK --interval=30s --timeout=5s --start-period=15s --retries=3 \
+    CMD wget -qO- http://localhost:3000/health | grep -q 'UP' || exit 1
+
+CMD ["node", "src/index.js"]

README.md

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+# test-micro-alex-stable-1
+
+test-micro-alex-stable-1
+
+**Runtime**: Node.js 20 · Express 4  
+**Owner**: group:default/platform-engineering
+
+## Quick Start
+
+```bash
+npm install
+npm run dev
+```
+
+Service on **http://localhost:3000**.
+
+## Endpoints
+| Method | Path | Description |
+|--------|------|-------------|
+| GET | `/api/items` | List items |
+| POST | `/api/items` | Create item |
+| GET | `/api/items/:id` | Get by ID |
+| PUT | `/api/items/:id` | Update |
+| DELETE | `/api/items/:id` | Delete |
+| GET | `/health` | `{"status":"UP"}` |
+| GET | `/metrics` | Prometheus metrics |

catalog-info.yaml

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+apiVersion: backstage.io/v1alpha1
+kind: Component
+metadata:
+  name: test-micro-alex-stable-1
+  description: test-micro-alex-stable-1
+  annotations:
+    humanitec.dev/orgId: skillful-wild-chicken-2617
+    humanitec.dev/projectId: test-micro-alex-stable-1
+    backstage.io/techdocs-ref: dir:.
+    backstage.io/kubernetes-namespace: dev
+    backstage.io/kubernetes-namespaces: "dev,staging,prod"
+    backstage.io/kubernetes-label-selector: "app=test-micro-alex-stable-1"
+    gitea.kyndemo.live/repo-slug: "demo-platform/test-micro-alex-stable-1"
+    prometheus.io/scrape: "true"
+    prometheus.io/port: "3000"
+    prometheus.io/path: "/metrics"
+    grafana/grafana-instance: default
+    grafana/alert-label-selector: "app=test-micro-alex-stable-1"
+    grafana/dashboard-selector: "uid == 'app-test-micro-alex-stable-1'"
+  tags:
+    - microservice
+    - golden-path
+    - nodejs-express
+    - stateless
+  links:
+    - url: https://console.humanitec.dev/orgs/skillful-wild-chicken-2617/projects/test-micro-alex-stable-1
+      title: Humanitec Console
+      icon: dashboard
+    - url: https://gitea.kyndemo.live/demo-platform/test-micro-alex-stable-1
+      title: Source Repository
+      icon: github
+spec:
+  type: service
+  owner: group:default/platform-engineering
+  system: system:default/platform-engineering
+  lifecycle: experimental
+  providesApis:
+    - test-micro-alex-stable-1-api
+---
+apiVersion: backstage.io/v1alpha1
+kind: API
+metadata:
+  name: test-micro-alex-stable-1-api
+  description: REST API for test-micro-alex-stable-1
+  annotations:
+    backstage.io/techdocs-ref: dir:.
+spec:
+  type: openapi
+  lifecycle: experimental
+  owner: group:default/platform-engineering
+  system: system:default/platform-engineering
+  definition: |
+    openapi: "3.0.0"
+    info:
+      title: test-micro-alex-stable-1
+      version: "0.1.0"
+      description: "test-micro-alex-stable-1"
+    servers:
+      - url: https://test-micro-alex-stable-1.kyndemo.live
+    paths:
+      /api/items:
+        get:
+          summary: List all items
+          responses:
+            "200":
+              description: OK
+        post:
+          summary: Create item
+          responses:
+            "201":
+              description: Created
+      /api/items/{id}:
+        get:
+          summary: Get by ID
+          parameters:
+            - name: id
+              in: path
+              required: true
+              schema:
+                type: integer
+          responses:
+            "200":
+              description: OK
+            "404":
+              description: Not found
+        put:
+          summary: Update item
+          parameters:
+            - name: id
+              in: path
+              required: true
+              schema:
+                type: integer
+          responses:
+            "200":
+              description: OK
+        delete:
+          summary: Delete item
+          parameters:
+            - name: id
+              in: path
+              required: true
+              schema:
+                type: integer
+          responses:
+            "200":
+              description: Deleted
+      /health:
+        get:
+          summary: Health check
+          responses:
+            "200":
+              description: "{ status: UP }"

docs/api.md

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+# API Reference
+
+Base URL: `https://test-micro-alex-stable-1.kyndemo.live`
+
+## Items `/api/items`
+
+| Method | Path | Body | Response |
+|--------|------|------|----------|
+| GET | `/api/items` | — | Array of items |
+| POST | `/api/items` | `{name,description}` | Created item (201) |
+| GET | `/api/items/:id` | — | Item or 404 |
+| PUT | `/api/items/:id` | `{name?,description?}` | Updated item |
+| DELETE | `/api/items/:id` | — | `{deleted:id}` |
+
+## Observability
+| Path | Description |
+|------|-------------|
+| `/health` | `{"status":"UP"}` |
+| `/metrics` | Prometheus text format |

docs/architecture.md

@@ -0,0 +1,16 @@
+# Architecture
+
+`test-micro-alex-stable-1` is a Node.js 20 **Express** application.
+
+| Component | Technology |
+|-----------|-----------|
+| HTTP | Express 4 |
+| Metrics | prom-client → `/metrics` |
+| Health | `/health` endpoint |
+
+## Deployment flow
+
+```
+Push → build-push.yml (npm ci + docker build → ACR)
+     → deploy-humanitec.yml (humctl score deploy)
+```

docs/index.md

@@ -0,0 +1,7 @@
+# Home
+
+test-micro-alex-stable-1 — test-micro-alex-stable-1
+
+- **Runtime**: Node.js 20 · Express 4
+- **Owner**: group:default/platform-engineering
+- **Deployment profile**: `stateless`

mkdocs.yml

@@ -0,0 +1,11 @@
+site_name: test-micro-alex-stable-1
+site_description: test-micro-alex-stable-1
+docs_dir: docs
+
+nav:
+  - Home: index.md
+  - Architecture: architecture.md
+  - API Reference: api.md
+
+plugins:
+  - techdocs-core

package.json

@@ -0,0 +1,18 @@
+{
+  "name": "test-micro-alex-stable-1",
+  "version": "0.1.0",
+  "description": "test-micro-alex-stable-1",
+  "main": "src/index.js",
+  "scripts": {
+    "start": "node src/index.js",
+    "dev": "node --watch src/index.js",
+    "test": "node --test"
+  },
+  "dependencies": {
+    "express": "^4.19.2",
+    "prom-client": "^15.1.3"
+  },
+  "engines": {
+    "node": ">=20"
+  }
+}

score.yaml

@@ -0,0 +1,45 @@
+apiVersion: score.dev/v1b1
+metadata:
+  name: test-micro-alex-stable-1
+
+containers:
+  app:
+    image: .
+    variables:
+      PORT: "3000"
+    livenessProbe:
+      httpGet:
+        path: /health
+        port: 3000
+    readinessProbe:
+      httpGet:
+        path: /health
+        port: 3000
+    resources:
+      limits:
+        memory: "256Mi"
+        cpu: "300m"
+      requests:
+        memory: "64Mi"
+        cpu: "50m"
+
+service:
+  ports:
+    http:
+      port: 80
+      targetPort: 3000
+
+resources:
+  env:
+    type: environment
+
+  dns:
+    type: dns
+
+  # ----- Uncomment to add a PostgreSQL database (deployment_profile: db-only or db+cache) -----
+  # db:
+  #   type: postgres
+
+  # ----- Uncomment to add Redis cache (deployment_profile: db+cache) -----
+  # cache:
+  #   type: redis

src/index.js

@@ -0,0 +1,78 @@
+/* eslint-env node, es2020 */
+'use strict';
+
+const express = require('express');
+const client = require('prom-client');
+
+const app = express();
+app.use(express.json());
+
+// ---------------------------------------------------------------------------
+// Prometheus metrics
+// ---------------------------------------------------------------------------
+const register = new client.Registry();
+client.collectDefaultMetrics({ register });
+
+// ---------------------------------------------------------------------------
+// In-memory store
+// ---------------------------------------------------------------------------
+let nextId = 1;
+const store = new Map();
+
+// ---------------------------------------------------------------------------
+// Health
+// ---------------------------------------------------------------------------
+app.get('/health', (_req, res) => res.json({ status: 'UP' }));
+
+// ---------------------------------------------------------------------------
+// Metrics
+// ---------------------------------------------------------------------------
+app.get('/metrics', async (_req, res) => {
+  res.set('Content-Type', register.contentType);
+  res.end(await register.metrics());
+});
+
+// ---------------------------------------------------------------------------
+// Items CRUD
+// ---------------------------------------------------------------------------
+app.get('/api/items', (_req, res) => {
+  res.json([...store.values()]);
+});
+
+app.post('/api/items', (req, res) => {
+  const { name = 'unnamed', description = '' } = req.body ?? {};
+  const item = { id: nextId++, name, description };
+  store.set(item.id, item);
+  res.status(201).json(item);
+});
+
+app.get('/api/items/:id', (req, res) => {
+  const item = store.get(Number(req.params.id));
+  if (!item) return res.status(404).json({ error: 'Not found' });
+  res.json(item);
+});
+
+app.put('/api/items/:id', (req, res) => {
+  const id = Number(req.params.id);
+  const existing = store.get(id);
+  if (!existing) return res.status(404).json({ error: 'Not found' });
+  const updated = { ...existing, ...req.body, id };
+  store.set(id, updated);
+  res.json(updated);
+});
+
+app.delete('/api/items/:id', (req, res) => {
+  const id = Number(req.params.id);
+  store.delete(id);
+  res.json({ deleted: id });
+});
+
+// ---------------------------------------------------------------------------
+// Start
+// ---------------------------------------------------------------------------
+const PORT = Number(process.env.PORT ?? 3000);
+app.listen(PORT, () => {
+  console.log('test-micro-alex-stable-1 listening on :' + PORT);
+});
+
+module.exports = app; // for testing