Create Helm chart and CI/CD workflows (#1)

.github/CODEOWNERS

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+* @subigre

.github/dependabot.yml

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+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "daily"

.github/workflows/lint-and-test.yml

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+name: Lint and Test Charts
+
+on:
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  lint-and-test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Set up Helm
+        uses: azure/setup-helm@v4
+
+      - name: Set up chart-testing
+        uses: helm/chart-testing-action@v2
+
+      - name: Run chart-testing (list-changed)
+        id: list-changed
+        run: |
+          changed=$(ct list-changed --target-branch ${{ github.event.repository.default_branch }})
+          if [[ -n "$changed" ]]; then
+            echo "changed=true" >> "$GITHUB_OUTPUT"
+          fi
+
+      - name: Run chart-testing (lint)
+        if: steps.list-changed.outputs.changed == 'true'
+        run: ct lint --target-branch ${{ github.event.repository.default_branch }}
+
+      - name: Create kind cluster
+        if: steps.list-changed.outputs.changed == 'true'
+        uses: helm/kind-action@v1
+
+      - name: Run chart-testing (install)
+        if: steps.list-changed.outputs.changed == 'true'
+        run: ct install --target-branch ${{ github.event.repository.default_branch }}

.github/workflows/release.yml

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+name: Release Charts
+
+on:
+  push:
+    branches: [ main ]
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+
+    permissions:
+      contents: write
+      packages: write
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Set up Helm
+        uses: azure/setup-helm@v4
+
+      - name: Run chart-releaser
+        uses: helm/chart-releaser-action@main
+        with:
+          skip_upload: true
+        env:
+          CR_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Login to GitHub Container Registry
+        run: echo "${{ secrets.GITHUB_TOKEN }}" | helm registry login ghcr.io -u ${{ github.actor }} --password-stdin
+
+      - name: Push Charts to GitHub Container Registry
+        run: |
+          for pkg in .cr-release-packages/*; do
+            if [ -z "${pkg:-}" ]; then
+              break
+            fi
+            helm push "${pkg}" oci://ghcr.io/konateq/charts
+          done

.gitignore

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+.DS_Store
+
+.idea/
+*.iml
+
+/charts/*/charts/

charts/ehrbase/.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/

charts/ehrbase/Chart.lock

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+dependencies:
+- name: postgresql
+  repository: oci://registry-1.docker.io/bitnamicharts
+  version: 15.5.27
+digest: sha256:4498712c1369c85d17fb3d490ea543b50de7f750824591d9597fbc1232b034f0
+generated: "2024-09-04T09:13:08.6002954+02:00"

charts/ehrbase/Chart.yaml

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+apiVersion: v2
+name: ehrbase
+version: 0.1.0
+kubeVersion: ">=1.26"
+description: EHRbase is an open source software backend for clinical application systems and electronic health records.
+type: application
+keywords:
+  - ehrbase
+  - openehr
+  - ehr
+home: https://github.com/konateq/ehrbase-helm-chart
+sources:
+  - https://github.com/konateq/ehrbase-helm-chart/tree/main/charts/ehrbase
+dependencies:
+  - condition: postgresql.enabled
+    name: postgresql
+    repository: oci://registry-1.docker.io/bitnamicharts
+    version: 15.x.x
+maintainers:
+  - name: Konateq
+    url: https://konateq.com
+appVersion: "2.7.0"

charts/ehrbase/templates/NOTES.txt

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+1. Get the application URL by running these commands:
+{{- if .Values.ingress.enabled }}
+{{- range $host := .Values.ingress.hosts }}
+  {{- range .paths }}
+  http{{ if $.Values.ingress.tls }}s{{ end }}://{{ $host.host }}{{ .path }}
+  {{- end }}
+{{- end }}
+{{- else if contains "NodePort" .Values.service.type }}
+  export NODE_PORT=$(kubectl get --namespace {{ .Release.Namespace }} -o jsonpath="{.spec.ports[0].nodePort}" services {{ include "ehrbase.fullname" . }})
+  export NODE_IP=$(kubectl get nodes --namespace {{ .Release.Namespace }} -o jsonpath="{.items[0].status.addresses[0].address}")
+  echo http://$NODE_IP:$NODE_PORT
+{{- else if contains "LoadBalancer" .Values.service.type }}
+     NOTE: It may take a few minutes for the LoadBalancer IP to be available.
+           You can watch its status by running 'kubectl get --namespace {{ .Release.Namespace }} svc -w {{ include "ehrbase.fullname" . }}'
+  export SERVICE_IP=$(kubectl get svc --namespace {{ .Release.Namespace }} {{ include "ehrbase.fullname" . }} --template "{{"{{ range (index .status.loadBalancer.ingress 0) }}{{.}}{{ end }}"}}")
+  echo http://$SERVICE_IP:{{ .Values.service.port }}
+{{- else if contains "ClusterIP" .Values.service.type }}
+  export POD_NAME=$(kubectl get pods --namespace {{ .Release.Namespace }} -l "app.kubernetes.io/name={{ include "ehrbase.name" . }},app.kubernetes.io/instance={{ .Release.Name }}" -o jsonpath="{.items[0].metadata.name}")
+  export CONTAINER_PORT=$(kubectl get pod --namespace {{ .Release.Namespace }} $POD_NAME -o jsonpath="{.spec.containers[0].ports[0].containerPort}")
+  echo "Visit http://127.0.0.1:8080 to use your application"
+  kubectl --namespace {{ .Release.Namespace }} port-forward $POD_NAME 8080:$CONTAINER_PORT
+{{- end }}

charts/ehrbase/templates/_helpers.tpl

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+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "ehrbase.name" -}}
+{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{/*
+Create a default fully qualified app name.
+We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
+If release name contains chart name it will be used as a full name.
+*/}}
+{{- define "ehrbase.fullname" -}}
+{{- if .Values.fullnameOverride }}
+{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" }}
+{{- else }}
+{{- $name := default .Chart.Name .Values.nameOverride }}
+{{- if contains $name .Release.Name }}
+{{- .Release.Name | trunc 63 | trimSuffix "-" }}
+{{- else }}
+{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" }}
+{{- end }}
+{{- end }}
+{{- end }}
+
+{{/*
+Create chart name and version as used by the chart label.
+*/}}
+{{- define "ehrbase.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{/*
+Common labels
+*/}}
+{{- define "ehrbase.labels" -}}
+helm.sh/chart: {{ include "ehrbase.chart" . }}
+{{ include "ehrbase.selectorLabels" . }}
+{{- if .Chart.AppVersion }}
+app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
+{{- end }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- end }}
+
+{{/*
+Selector labels
+*/}}
+{{- define "ehrbase.selectorLabels" -}}
+app.kubernetes.io/name: {{ include "ehrbase.name" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end }}
+
+{{/*
+Create the name of the service account to use
+*/}}
+{{- define "ehrbase.serviceAccountName" -}}
+{{- if .Values.serviceAccount.create }}
+{{- default (include "ehrbase.fullname" .) .Values.serviceAccount.name }}
+{{- else }}
+{{- default "default" .Values.serviceAccount.name }}
+{{- end }}
+{{- end }}
+
+{{/*
+Return the fully qualified name of the PostgreSQL dependency
+*/}}
+{{- define "ehrbase.postgresql.fullname" -}}
+{{- include "common.names.dependency.fullname" (dict "chartName" "postgresql" "chartValues" .Values.postgresql "context" $) -}}
+{{- end -}}
+
+{{/*
+Return the database URL
+*/}}
+{{- define "ehrbase.databaseUrl" -}}
+{{- printf "jdbc:postgresql://%s:%s/%s" (include "ehrbase.databaseHost" .) (include "ehrbase.databasePort" .) (include "ehrbase.databaseName" .) -}}
+{{- end -}}
+
+{{/*
+Return the database host
+*/}}
+{{- define "ehrbase.databaseHost" -}}
+{{- if eq .Values.postgresql.architecture "replication" }}
+{{- ternary (include "ehrbase.postgresql.fullname" .) (tpl .Values.externalDatabase.host $) .Values.postgresql.enabled -}}-primary
+{{- else -}}
+{{- ternary (include "ehrbase.postgresql.fullname" .) (tpl .Values.externalDatabase.host $) .Values.postgresql.enabled -}}
+{{- end -}}
+{{- end -}}
+
+{{/*
+Return the database port
+*/}}
+{{- define "ehrbase.databasePort" -}}
+{{- ternary 5432 .Values.externalDatabase.port .Values.postgresql.enabled -}}
+{{- end -}}
+
+{{/*
+Return the database name
+*/}}
+{{- define "ehrbase.databaseName" -}}
+{{- if .Values.postgresql.enabled }}
+{{- .Values.postgresql.auth.database -}}
+{{- else -}}
+{{- .Values.externalDatabase.database -}}
+{{- end -}}
+{{- end -}}
+
+{{/*
+Return the database user
+*/}}
+{{- define "ehrbase.databaseUser" -}}
+{{- if .Values.postgresql.enabled -}}
+{{- .Values.postgresql.auth.username -}}
+{{- else -}}
+{{- .Values.externalDatabase.username -}}
+{{- end -}}
+{{- end -}}
+
+{{/*
+Return the database secret name
+*/}}
+{{- define "ehrbase.databaseSecretName" -}}
+{{- if .Values.postgresql.enabled -}}
+{{- default (include "ehrbase.postgresql.fullname" .) .Values.postgresql.auth.existingSecret -}}
+{{- else -}}
+{{- default (printf "%s-externaldb" (include "ehrbase.fullname" .)) .Values.externalDatabase.existingSecret -}}
+{{- end -}}
+{{- end -}}
+
+{{/*
+Return the database password key
+*/}}
+{{- define "ehrbase.databaseSecretPasswordKey" -}}
+{{- if .Values.postgresql.enabled -}}
+{{- default "password" .Values.postgresql.auth.secretKeys.userPasswordKey -}}
+{{- else -}}
+{{- default "password" .Values.externalDatabase.existingSecretPasswordKey -}}
+{{- end -}}
+{{- end -}}

charts/ehrbase/templates/configmap-env-vars.yaml

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+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ include "ehrbase.fullname" . }}-env-vars
+  labels:
+    {{- include "ehrbase.labels" . | nindent 4 }}
+data:
+  DB_URL: {{ include "ehrbase.databaseUrl" . | quote }}
+  DB_USER: {{ include "ehrbase.databaseUser" . | quote }}
+  DB_USER_ADMIN: {{ include "ehrbase.databaseUser" . | quote }}

charts/ehrbase/templates/configmap.yaml

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+{{- if .Values.configuration }}
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ include "ehrbase.fullname" . }}-configuration
+  labels:
+    {{- include "ehrbase.labels" . | nindent 4 }}
+data:
+  application.yml: |-
+    {{- .Values.configuration | nindent 4 }}
+{{- end }}