Add Helm chart for gnupg

.github/workflows/docker-build-gnupg.yml

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+name: CI - gnupg
+run-name: Build container image with GnuPG suite
+
+on: 
+  push:
+    paths:
+    - 'gnupg/**'
+    - '.github/workflows/docker-build-gnupg.yml'
+    branches:
+    - 'gnupg'
+    tags:
+    - '0.*'
+    - '1.*'
+
+permissions:
+  actions: read
+  checks: read
+  contents: read
+  packages: write
+  repository-projects: read
+  statuses: read
+
+jobs:
+
+  build_image:
+    runs-on: ubuntu-22.04
+    env:
+      {}
+    steps:
+    - uses: actions/checkout@v3
+    - uses: docker/login-action@v2
+      with:
+        registry: ghcr.io
+        username: ${{ github.actor }}
+        password: ${{ secrets.GITHUB_TOKEN }}
+    - uses: docker/metadata-action@v4
+      id: meta
+      with:
+        images: |
+          ghcr.io/eosc-lot-1/gnupg
+    - uses: docker/setup-buildx-action@v3
+      with:
+        driver: docker
+    - uses: docker/build-push-action@v5
+      with:
+        context: ./gnupg/docker/
+        file: ./gnupg/docker/Dockerfile
+        #buildArgs: |-
+        push: true
+        tags: |
+          ghcr.io/eosc-lot-1/gnupg:2-debian
+        labels: ${{ steps.meta.outputs.labels }}
+

gnupg/Chart.yaml

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+apiVersion: v2
+name: gnupg
+description: A Helm chart for GnuPG command
+
+# 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: 0.0.1
+
+# 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: "2"

gnupg/docker/Dockerfile

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+FROM debian:12.5-slim
+
+RUN apt-get update && apt-get install -y gnupg

gnupg/templates/_helpers.tpl

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+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "gnupg.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 "gnupg.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 "gnupg.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{/*
+Common labels
+*/}}
+{{- define "gnupg.labels" -}}
+helm.sh/chart: {{ include "gnupg.chart" . }}
+{{ include "gnupg.selectorLabels" . }}
+{{- if .Chart.AppVersion }}
+app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
+{{- end }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- end }}
+
+{{/*
+Selector labels
+*/}}
+{{- define "gnupg.selectorLabels" -}}
+app.kubernetes.io/name: {{ include "gnupg.name" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end }}
+
+{{/*
+Create the name of the service account to use
+*/}}
+{{- define "gnupg.serviceAccountName" -}}
+{{- if .Values.serviceAccount.create }}
+{{- default (include "gnupg.fullname" .) .Values.serviceAccount.name }}
+{{- else }}
+{{- default "default" .Values.serviceAccount.name }}
+{{- end }}
+{{- end }}

gnupg/templates/deploy.yml

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+# vim: set syntax=helm:
+
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ include "gnupg.fullname" . }}
+  labels:
+    {{- include "gnupg.labels" . | nindent 4 }}
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      {{- include "gnupg.selectorLabels" . | nindent 6 }}
+  template:
+    metadata:
+      labels:
+        {{- include "gnupg.selectorLabels" . | nindent 8 }}
+    spec:
+      {{- with .Values.imagePullSecrets }}
+      imagePullSecrets:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      serviceAccountName: {{ include "gnupg.serviceAccountName" . }}
+      securityContext:
+        {{- toYaml .Values.podSecurityContext | nindent 8 }}
+      {{- with .Values.nodeSelector }}
+      nodeSelector:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.affinity }}
+      affinity:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.tolerations }}
+      tolerations:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      terminationGracePeriodSeconds: 8
+      volumes:
+      - name: temp
+        emptyDir: {}
+      containers:
+      - name: {{ .Chart.Name }}
+        image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}"
+        command: ['sh']
+        stdin: true
+        volumeMounts:
+        - name: temp
+          mountPath: /tmp

gnupg/templates/serviceaccount.yaml

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+{{- if .Values.serviceAccount.create -}}
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: {{ include "gnupg.serviceAccountName" . }}
+  labels:
+    {{- include "gnupg.labels" . | nindent 4 }}
+  {{- with .Values.serviceAccount.annotations }}
+  annotations:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+{{- end }}

gnupg/values.yaml

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+image:
+  repository: gnupg
+  pullPolicy: IfNotPresent
+  tag: "0.0.1"
+
+imagePullSecrets: []
+nameOverride: ""
+fullnameOverride: ""
+
+serviceAccount:
+  # Specifies whether a service account should be created
+  create: 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: ""
+
+podAnnotations: {}
+
+podSecurityContext: {}
+  # fsGroup: 2000
+
+securityContext: {}
+  # capabilities:
+  #   drop:
+  #   - ALL
+  # readOnlyRootFilesystem: true
+  # runAsNonRoot: true
+  # runAsUser: 1000
+
+nodeSelector: {}
+
+tolerations: []
+
+affinity: {}