implement CI

Dockerfile

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+FROM golang:1.23 as base 
+
+WORKDIR /app
+
+COPY go.mod . 
+
+RUN go mod download
+
+COPY . .
+
+RUN go build -o main .
+
+# Final stage
+
+FROM gcr.io/distroless/base
+
+COPY --from=base /app/main .
+
+COPY --from=base /app/static /static
+
+EXPOSE 8080
+
+CMD [ "./main" ]
+
+
+
+

helm/go-web-app-chart/.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/

helm/go-web-app-chart/Chart.yaml

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+apiVersion: v2
+name: go-web-app-chart
+description: A Helm chart for Kubernetes
+
+# A chart can be either an 'application' or a 'library' chart.
+#
+# Application charts are a collection of templates that can be packaged into versioned archives
+# to be deployed.
+#
+# Library charts provide useful utilities or functions for the chart developer. They're included as
+# a dependency of application charts to inject those utilities and functions into the rendering
+# pipeline. Library charts do not define any templates and therefore cannot be deployed.
+type: application
+
+# This is the chart version. This version number should be incremented each time you make changes
+# to the chart and its templates, including the app version.
+# Versions are expected to follow Semantic Versioning (https://semver.org/)
+version: 0.1.0
+
+# This is the version number of the application being deployed. This version number should be
+# incremented each time you make changes to the application. Versions are not expected to
+# follow Semantic Versioning. They should reflect the version the application is using.
+# It is recommended to use it with quotes.
+appVersion: "1.16.0"

helm/go-web-app-chart/templates/deployment.yaml

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+
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: go-web-app
+  labels:
+    app: go-web-app
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: go-web-app
+  template:
+    metadata:
+      labels:
+        app: go-web-app
+    spec:
+      containers:
+      - name: go-web-app
+        image: jansoltys9/go-web-app:{{ .Values.image.tag }}
+        ports:
+        - containerPort: 8080

helm/go-web-app-chart/templates/ingress.yaml

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+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: go-web-app
+  annotations:
+    nginx.ingress.kubernetes.io/rewrite-target: /
+spec:
+  ingressClassName: nginx
+  rules:
+    - host: ae2f2e85dc53741288320c8fcc2c6ae1-6b1edc01172d2943.elb.us-east-1.amazonaws.com
+      http:
+        paths:
+        - path: /
+          pathType: Prefix
+          backend:
+            service:
+              name: go-web-app
+              port:
+                number: 80
+
+
+

helm/go-web-app-chart/templates/service.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: go-web-app
+  labels:
+    app: go-web-app
+spec:
+  ports:
+    - port: 80
+      targetPort: 8080
+      protocol: TCP
+  selector:
+    app: go-web-app
+  type: ClusterIP
+
+

helm/go-web-app-chart/values.yaml

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+# Default values for go-web-app-chart.
+# This is a YAML-formatted file.
+# Declare variables to be passed into your templates.
+
+# This will set the replicaset count more information can be found here: https://kubernetes.io/docs/concepts/workloads/controllers/replicaset/
+replicaCount: 1
+
+# This sets the container image more information can be found here: https://kubernetes.io/docs/concepts/containers/images/
+image:
+  repository: nginx
+  # This sets the pull policy for images.
+  pullPolicy: IfNotPresent
+  # Overrides the image tag whose default is the chart appVersion.
+  tag: "v1"
+
+# This is for the secretes for pulling an image from a private repository more information can be found here: https://kubernetes.io/docs/tasks/configure-pod-container/pull-image-private-registry/
+imagePullSecrets: []
+# This is to override the chart name.
+nameOverride: ""
+fullnameOverride: ""
+
+#This section builds out the service account more information can be found here: https://kubernetes.io/docs/concepts/security/service-accounts/
+serviceAccount:
+  # Specifies whether a service account should be created
+  create: true
+  # Automatically mount a ServiceAccount's API credentials?
+  automount: true
+  # Annotations to add to the service account
+  annotations: {}
+  # The name of the service account to use.
+  # If not set and create is true, a name is generated using the fullname template
+  name: ""
+
+# This is for setting Kubernetes Annotations to a Pod.
+# For more information checkout: https://kubernetes.io/docs/concepts/overview/working-with-objects/annotations/ 
+podAnnotations: {}
+# This is for setting Kubernetes Labels to a Pod.
+# For more information checkout: https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/
+podLabels: {}
+
+podSecurityContext: {}
+  # fsGroup: 2000
+
+securityContext: {}
+  # capabilities:
+  #   drop:
+  #   - ALL
+  # readOnlyRootFilesystem: true
+  # runAsNonRoot: true
+  # runAsUser: 1000
+
+# This is for setting up a service more information can be found here: https://kubernetes.io/docs/concepts/services-networking/service/
+service:
+  # This sets the service type more information can be found here: https://kubernetes.io/docs/concepts/services-networking/service/#publishing-services-service-types
+  type: ClusterIP
+  # This sets the ports more information can be found here: https://kubernetes.io/docs/concepts/services-networking/service/#field-spec-ports
+  port: 80
+
+# This block is for setting up the ingress for more information can be found here: https://kubernetes.io/docs/concepts/services-networking/ingress/
+ingress:
+  enabled: false
+  className: ""
+  annotations: {}
+    # kubernetes.io/ingress.class: nginx
+    # kubernetes.io/tls-acme: "true"
+  hosts:
+    - host: chart-example.local
+      paths:
+        - path: /
+          pathType: ImplementationSpecific
+  tls: []
+  #  - secretName: chart-example-tls
+  #    hosts:
+  #      - chart-example.local
+
+resources: {}
+  # We usually recommend not to specify default resources and to leave this as a conscious
+  # choice for the user. This also increases chances charts run on environments with little
+  # resources, such as Minikube. If you do want to specify resources, uncomment the following
+  # lines, adjust them as necessary, and remove the curly braces after 'resources:'.
+  # limits:
+  #   cpu: 100m
+  #   memory: 128Mi
+  # requests:
+  #   cpu: 100m
+  #   memory: 128Mi
+
+# This is to setup the liveness and readiness probes more information can be found here: https://kubernetes.io/docs/tasks/configure-pod-container/configure-liveness-readiness-startup-probes/
+livenessProbe:
+  httpGet:
+    path: /
+    port: http
+readinessProbe:
+  httpGet:
+    path: /
+    port: http
+
+#This section is for setting up autoscaling more information can be found here: https://kubernetes.io/docs/concepts/workloads/autoscaling/
+autoscaling:
+  enabled: false
+  minReplicas: 1
+  maxReplicas: 100
+  targetCPUUtilizationPercentage: 80
+  # targetMemoryUtilizationPercentage: 80
+
+# Additional volumes on the output Deployment definition.
+volumes: []
+# - name: foo
+#   secret:
+#     secretName: mysecret
+#     optional: false
+
+# Additional volumeMounts on the output Deployment definition.
+volumeMounts: []
+# - name: foo
+#   mountPath: "/etc/foo"
+#   readOnly: true
+
+nodeSelector: {}
+
+tolerations: []
+
+affinity: {}

k8s/manifests/deployment.yaml

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+
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: go-web-app
+  labels:
+    app: go-web-app
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: go-web-app
+  template:
+    metadata:
+      labels:
+        app: go-web-app
+    spec:
+      containers:
+      - name: go-web-app
+        image: jansoltys9/go-web-app:v1
+        ports:
+        - containerPort: 8080

k8s/manifests/ingress.yaml

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+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: go-web-app
+  annotations:
+    nginx.ingress.kubernetes.io/rewrite-target: /
+spec:
+  ingressClassName: nginx
+  rules:
+    - host: ae2f2e85dc53741288320c8fcc2c6ae1-6b1edc01172d2943.elb.us-east-1.amazonaws.com
+      http:
+        paths:
+        - path: /
+          pathType: Prefix
+          backend:
+            service:
+              name: go-web-app
+              port:
+                number: 80
+
+
+

k8s/manifests/service.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: go-web-app
+  labels:
+    app: go-web-app
+spec:
+  ports:
+    - port: 80
+      targetPort: 8080
+      protocol: TCP
+  selector:
+    app: go-web-app
+  type: ClusterIP
+
+