Add K8s deployment files

.github/workflows/dockerhub.yml

@@ -5,6 +5,8 @@ on:
       - main
     paths-ignore:
       - '**.md'
+      - 'docker-compose*'
+      - 'k8s/*'
 
 jobs:
   dockerhub:

k8s/backend.yaml

@@ -0,0 +1,76 @@
+apiVersion: v1
+kind: Service
+metadata:
+  labels:
+    app: backend-cs
+  name: backend-cs
+spec:
+  ports:
+    - port: 80
+      targetPort: 8080
+  selector:
+    app: backend
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  labels:
+    app: backend
+  name: backend
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: backend
+  template:
+    metadata:
+      labels:
+        app: backend
+    spec:
+      containers:
+        - name: backend
+          imagePullPolicy: Always
+          env:
+            - name: SPRING_PROFILES_ACTIVE
+              value: prod
+            - name: MONGO_HOST
+              value: mongo-mongodb
+            - name: SPRING_DATASOURCE_USERNAME
+              value: postgres
+            - name: SPRING_DATASOURCE_PASSWORD
+              value: postgres
+            - name: SPRING_DATASOURCE_URL
+              value: jdbc:postgresql://postgres:5432/postgres
+            - name: SPRING_DATASOURCE_DRIVER_CLASS_NAME
+              value: org.postgresql.Driver
+            - name: T2_CART_TTL
+              value: "0"
+            - name: T2_CART_TASKRATE
+              value: "0"
+            - name: T2_INVENTORY_SIZE
+              value: "25"
+            - name: T2_INVENTORY_TASKRATE
+              value: "0"
+            - name: T2_INVENTORY_TTL
+              value: "0"
+            - name: T2_PAYMENT_PROVIDER_ENABLED
+              value: "FALSE"
+            - name: T2_PAYMENT_PROVIDER_DUMMY_URL
+              value: http://creditinstitute-cs/pay
+            - name: T2_PAYMENT_PROVIDER_TIMEOUT
+              value: "5"
+            - name: T2_SIMULATE_COMPUTE_INTENSIVE_TASK_ENABLED
+              value: "FALSE"
+            - name: T2_SIMULATE_COMPUTE_INTENSIVE_TASK_ITERATIONS
+              value: "1000000000"
+          image: t2project/modulith:main
+          ports:
+            - containerPort: 8080
+          resources:
+            limits:
+              cpu: 500m
+              memory: 500Mi
+            requests:
+              cpu: 250m
+              memory: 250Mi
+      restartPolicy: Always

k8s/postgres_stateful.yaml

@@ -0,0 +1,72 @@
+apiVersion: v1
+kind: Service # headless
+metadata:
+  labels:
+    app: postgres
+  name: postgres
+spec:
+  ports:
+    - port: 5432
+      targetPort: 5432
+  clusterIP: None
+  selector:
+    app: postgres
+---
+apiVersion: apps/v1
+kind: StatefulSet
+metadata:
+  labels:
+    app: postgres
+  name: postgres
+spec:
+  serviceName: postgres
+  replicas: 1
+  selector:
+    matchLabels:
+      app: postgres
+  template:
+    metadata:
+      labels:
+        app: postgres
+    spec:
+      containers:
+        - name: postgres
+          image: postgres:12.17
+          env:
+            - name: POSTGRES_PASSWORD
+              value: postgres
+            - name: POSTGRES_USER
+              value: postgres
+          ports:
+            - containerPort: 5432
+          volumeMounts:
+            - name: datadir
+              mountPath: /var/lib/postgresql/data
+              subPath: postgres
+            - name: postgres-config
+              mountPath: /etc/postgresql/postgresql.conf
+              subPath: postgresql.conf
+              readOnly: true
+          resources:
+            limits:
+              cpu: 500m
+              memory: 500Mi
+            requests:
+              cpu: 100m
+              memory: 100Mi
+      restartPolicy: Always
+      volumes:
+      - name: postgres-config
+        configMap:
+          name: postgres-config
+          items:
+            - key: postgresql.conf
+              path: postgresql.conf
+  volumeClaimTemplates:
+  - metadata:
+      name: datadir
+    spec:
+      accessModes: [ "ReadWriteOnce" ]
+      resources:
+        requests:
+          storage: 1Gi

k8s/postgresql.conf

@@ -0,0 +1,2 @@
+max_connections = 5000
+shared_buffers = 512MB