From 2e718c06f636f7e5c10a6dab7c38b81189de46f8 Mon Sep 17 00:00:00 2001
From: Vargha Csongor <Culisa1023@gmail.com>
Date: Sun, 17 Mar 2024 16:59:32 +0100
Subject: [PATCH] backend deployment

---
 deployment/backend/certificate.yaml           | 29 +++++++++++
 deployment/backend/deployment.yaml            | 50 +++++++++++++++++++
 .../backend/horizontalPodAutoScaler.yaml      | 26 ++++++++++
 deployment/backend/ingressRoute.yaml          | 19 +++++++
 deployment/backend/service.yaml               | 20 ++++++++
 5 files changed, 144 insertions(+)
 create mode 100644 deployment/backend/certificate.yaml
 create mode 100644 deployment/backend/deployment.yaml
 create mode 100644 deployment/backend/horizontalPodAutoScaler.yaml
 create mode 100644 deployment/backend/ingressRoute.yaml
 create mode 100644 deployment/backend/service.yaml

diff --git a/deployment/backend/certificate.yaml b/deployment/backend/certificate.yaml
new file mode 100644
index 0000000..8d288d2
--- /dev/null
+++ b/deployment/backend/certificate.yaml
@@ -0,0 +1,29 @@
+apiVersion: cert-manager.io/v1
+kind: Certificate
+metadata:
+  name: gh-backend-certificate
+  annotations:
+    argocd.argoproj.io/hook: PreSync
+spec:
+  isCA: false
+  duration: 2160h # 90d
+  renewBefore: 360h # 15d
+  dnsNames:
+    - gh-backend.generations-heritage.svc.cluster.local
+    - gh-backend
+    - localhost
+  ipAddresses:
+    - 127.0.0.1
+  subject:
+    organizations:
+      - GenerationsHeritage
+  secretName: gh-backend-tls
+  privateKey:
+    algorithm: RSA
+    encoding: PKCS1
+    size: 2048
+  issuerRef:
+    name: default-cluster-ca-issuer
+    kind: ClusterIssuer
+    group: cert-manager.io
+  
\ No newline at end of file
diff --git a/deployment/backend/deployment.yaml b/deployment/backend/deployment.yaml
new file mode 100644
index 0000000..e706e27
--- /dev/null
+++ b/deployment/backend/deployment.yaml
@@ -0,0 +1,50 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  labels:
+    app.kubernetes.io/instance: gh-backend
+    app.kubernetes.io/name: gh-backend
+  annotations:
+    argocd.argoproj.io/sync-wave: "1"
+    argocd.argoproj.io/hook: Synce
+  name: gh-backend
+  namespace: generations-heritage
+spec:
+  podManagementPolicy: OrderedReady
+  replicas: 1
+  selector:
+    matchLabels:
+      app.kubernetes.io/instance: gh-backend
+      app.kubernetes.io/name: gh-backend
+  serviceName: gh-backend
+  template:
+    metadata:
+      labels:
+        app.kubernetes.io/instance: gh-backend
+        app.kubernetes.io/name: gh-backend
+    spec:
+      containers:
+        - image: vcscsvcscs/gheritage-backend-service:latest
+          imagePullPolicy: Always
+          name: gh-backend
+          ports:
+          - containerPort: 443
+            name: gin
+          securityContext:
+            runAsUser: 0
+          resources:
+            limits:
+              cpu: 500m
+              memory: 500Mi
+            requests:
+              cpu: 100m
+              memory: 100Mi
+            volumeMounts:
+              - name: gh-backend-certs
+                mountPath: /etc/gh-backend/ssl
+      volumes:
+      - name: gh-backend-certs
+        secret:
+          secretName: gh-backend-tls
+  updateStrategy:
+    type: RollingUpdate
\ No newline at end of file
diff --git a/deployment/backend/horizontalPodAutoScaler.yaml b/deployment/backend/horizontalPodAutoScaler.yaml
new file mode 100644
index 0000000..ef131b6
--- /dev/null
+++ b/deployment/backend/horizontalPodAutoScaler.yaml
@@ -0,0 +1,26 @@
+apiVersion: autoscaling/v2
+kind: HorizontalPodAutoscaler
+metadata:
+  name: gh-backend
+  annotations:
+    argocd.argoproj.io/hook: PostSync
+spec:
+  scaleTargetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: gh-backend
+  minReplicas: 1
+  maxReplicas: 5
+  metrics:
+  - type: Resource
+    resource:
+      name: cpu
+      target:
+        type: Utilization
+        averageUtilization: 50
+  - type: Resource
+    resource:
+      name: memory
+      target:
+        type: Utilization
+        averageUtilization: 50
diff --git a/deployment/backend/ingressRoute.yaml b/deployment/backend/ingressRoute.yaml
new file mode 100644
index 0000000..90803f7
--- /dev/null
+++ b/deployment/backend/ingressRoute.yaml
@@ -0,0 +1,19 @@
+---
+apiVersion: traefik.containo.us/v1alpha1
+kind: IngressRoute
+metadata:
+  name: gh-backend
+  annotations:
+    argocd.argoproj.io/hook: PostSync
+spec:
+  entryPoints:
+    - websecure
+  routes:
+    - kind: Rule
+      match: Host(`heritagebackend.varghacsongor.hu`)
+      services:
+        - name: gh-backend
+          port: 443
+          passHostHeader: true
+          scheme: https
+  tls: {}
\ No newline at end of file
diff --git a/deployment/backend/service.yaml b/deployment/backend/service.yaml
new file mode 100644
index 0000000..10b9abb
--- /dev/null
+++ b/deployment/backend/service.yaml
@@ -0,0 +1,20 @@
+apiVersion: v1
+kind: Service
+metadata:
+  labels:
+    app.kubernetes.io/instance: gh-backend
+    app.kubernetes.io/name: gh-backend
+  name: gh-backend
+  annotations:
+    argocd.argoproj.io/sync-wave: "2"
+    argocd.argoproj.io/hook: Synce
+spec:
+  ports:
+  - name: gin
+    port: 443
+    protocol: TCP
+    targetPort: 443
+  selector:
+    app.kubernetes.io/instance: gh-backend
+    app.kubernetes.io/name: gh-backend
+  type: ClusterIP
\ No newline at end of file