added an extra health endpoint

- figured out how to configure liveliness

app/server/Dockerfile

@@ -8,8 +8,5 @@ COPY . .
 
 RUN npm install --production
 
-ENV PORT 3002
-ENV NODE_ENV production
-
 EXPOSE 3002
 CMD ["npm", "start"]

app/server/chart/backend/templates/deployment.yaml

@@ -33,17 +33,26 @@ spec:
             {{- toYaml .Values.securityContext | nindent 12 }}
           image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}"
           imagePullPolicy: {{ .Values.image.pullPolicy }}
+          env:
+            - name: PORT
+              value: "{{ .Values.port }}"
+            - name: MONGODB_URL
+              value: "mongodb://{{ .Values.mongodb.fullnameOverride}}:{{ .Values.mongodb.service.port }}"
+            - name: NODE_ENV
+              value: "production"
+            - name: JWT_SECRET
+              value: "secretz"
           ports:
             - name: primary
               containerPort: {{ .Values.port }}
               protocol: TCP
           livenessProbe:
             httpGet:
-              path: /
+              path: /health
               port: primary
           readinessProbe:
             httpGet:
-              path: /
+              path: /health
               port: primary
           resources:
             {{- toYaml .Values.resources | nindent 12 }}

app/server/chart/backend/values.yaml

@@ -3,7 +3,7 @@ image:
   repository: backend #! change to container registry if possible
   pullPolicy: IfNotPresent
   # Overrides the image tag whose default is the chart appVersion.
-  tag: "v0.0.2"
+  tag: "v0.0.3"
 replicaCount: 1
 port: 3002
 

app/server/src/index.js

@@ -8,6 +8,7 @@ const todoRoutes = require('./routes/todo');
 const userRoutes = require('./routes/user');
 const errorRoutes = require('./routes/error');
 const envRoute = require('./routes/env.js');
+const healthRoute = require('./routes/health.js');
 let cookieParser = require('cookie-parser');
 
 const app = express();
@@ -37,6 +38,7 @@ app.use(userRoutes);
 app.use('/', express.static(path.resolve(__dirname, `./public`)));
 // IMPORTANT: Educational purpose only! Possibly exposes sensitive data.
 app.use(envRoute);
+app.use(healthRoute);
 // NOTE: must be last one, because is uses a wildcard (!) that behaves aa
 // fallback and catches everything else
 app.use(errorRoutes);