add api-gateway deployment

k8s/api-gateway/.helmignore

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+# Patterns to ignore when building packages.
+# This supports shell glob matching, relative path matching, and
+# negation (prefixed with !). Only one pattern per line.
+.DS_Store
+# Common VCS dirs
+.git/
+.gitignore
+.bzr/
+.bzrignore
+.hg/
+.hgignore
+.svn/
+# Common backup files
+*.swp
+*.bak
+*.tmp
+*.orig
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj
+.vscode/

k8s/api-gateway/Chart.yaml

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+apiVersion: v2
+name: api-gateway
+description: A Helm chart to deploy the api-gateway.
+type: application
+version: 0.0.1
+appVersion: "1.0.0"

k8s/api-gateway/README.md

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+# Install API-Gateway
+```
+helm install my-test ./api-gateway
+```

k8s/api-gateway/templates/api-gateway-deployment.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ .Release.Name }}-api-gateway
+spec:
+  selector:
+    matchLabels:
+      name: {{ .Release.Name }}-api-gateway
+  template:
+    metadata:
+      labels:
+        name: {{ .Release.Name }}-api-gateway
+    spec:
+      containers:
+      - name: api-gateway
+        image: {{ .Values.images.frontend }}
+        resources:
+          limits:
+            memory: 500Mi
+          requests:
+            memory: 100Mi
+        ports:
+          - containerPort: 8080
+      imagePullSecrets:
+        - name: api-gateway-dockerconfigjson-gitlab

k8s/api-gateway/templates/api-gateway-ingress.yaml

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+{{- if .Values.ingress.dns }}
+{{- $relname := .Release.Name -}}
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: {{ .Release.Name }}-ingress
+  annotations:
+    kubernetes.io/ingress.class: "nginx"
+    {{ if .Values.ingress.enableSSL }}
+    nginx.ingress.kubernetes.io/ssl-redirect: "true"
+    nginx.ingress.kubernetes.io/force-ssl-redirect: "true"
+    cert-manager.io/issuer: {{ .Values.ingress.certIssuer | quote}}
+    {{ end }}
+    nginx.ingress.kubernetes.io/proxy-buffer-size: 12k
+spec:
+  {{ if .Values.ingress.enableSSL }}
+  tls:
+    - hosts:
+        - {{ .Values.ingress.dns }}
+      secretName: {{ .Release.Name }}-ssl-secret
+  {{ end }}
+  rules:
+    - host: {{ .Values.ingress.dns }}
+      http:
+        paths:
+        - path: /
+          pathType: Prefix
+          backend:
+            service:
+              name: {{ .Release.Name }}-api-gateway
+              port:
+                number: 80
+{{- end }}

k8s/api-gateway/templates/api-gateway-service.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ .Release.Name }}-api-gateway
+spec:
+  ports:
+    - name: "80"
+      port: 80
+      targetPort: 8080
+  selector:
+    name: {{ .Release.Name }}-api-gateway

k8s/api-gateway/values.yaml

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+ingress:
+  dns: api-gateway.qa.km.k8s.zbmed.de
+  enableSSL:
+  certIssuer:
+images:
+  frontend: ghcr.io/zbmed/api-gateway:latest