fix(ci): Change CI workflow

Create 1>n workflow to be able to release then to build on multiple
versions.
Change base image to alpine.

.github/workflows/master-docker.yml

@@ -0,0 +1,43 @@
+name: Build and publish Docker images
+
+on: 
+  workflow_dispatch:
+    inputs:
+      release:
+        description: Release name
+        required: true
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        kubectl_version:
+          - 1.19.3
+          - 1.18.10
+          - 1.17.13
+          - 1.16.15
+          - 1.15.12
+          - 1.14.10
+          - 1.13.12
+    steps:
+      - uses: actions/checkout@v1
+
+      - name: Publish to Docker Repository
+        uses: elgohr/Publish-Docker-Github-Action@master
+        env:
+          KUBECTL_VERSION: ${{ matrix.kubectl_version }}
+        with:
+          name: germainlefebvre4/ns-killer
+          buildargs: KUBECTL_VERSION
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_PASSWORD }}
+          tags: "${{ github.event.inputs.release }}-kubectl${{ matrix.kubectl_version }},${{ github.event.inputs.release }}-${{ matrix.kubectl_version }},latest-kubectl${{ matrix.kubectl_version }},latest-${{ matrix.kubectl_version }},${{ matrix.kubectl_version }}"
+
+      - name: Docker Hub Description
+        uses: peter-evans/dockerhub-description@v2
+        with:
+          repository: germainlefebvre4/ns-killer
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_PASSWORD2 }}
+          readme-filepath: ./docs/dockerhub/README.md

.github/workflows/master-release.yml

@@ -0,0 +1,45 @@
+name: Release
+
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v1
+
+      - name: Semantic Release Config
+        run: |
+          echo '{
+                   "tagFormat":"v${version}",
+                   "plugins": [
+                      "@semantic-release/commit-analyzer",
+                      "@semantic-release/release-notes-generator",
+                      "@semantic-release/changelog",
+                      "@semantic-release/github"
+                   ]
+                }
+          '> .releaserc
+      - name: Semantic Release
+        uses: cycjimmy/semantic-release-action@v2
+        id: semantic
+        with:
+          branches: 'master'
+          semantic_version: 17.1.1
+          extra_plugins: |
+            @semantic-release/commit-analyzer@8.0.1
+            @semantic-release/release-notes-generator@9.0.0
+            @semantic-release/changelog@5.0.0
+            @semantic-release/github@7.0.7
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Workflow Dispatch
+        uses: benc-uk/workflow-dispatch@v1.1
+        with:
+          workflow: Build and publish Docker images
+          token: ${{ secrets.PERSONAL_TOKEN }}
+          inputs: '{ "release": "${{ steps.semantic.outputs.new_release_version }}" }'

Dockerfile

@@ -1,14 +1,13 @@
-FROM python:3.7-slim-stretch AS base
+FROM python:3.7-alpine AS base
 
 ENV PYROOT /pyroot
 ENV PYTHONUSERBASE $PYROOT
 
 
 FROM base as builder
 
-RUN apt update && \
-    apt install -y python-pip && \
-    apt -y clean && \
+RUN apk update && \
+    apk add --no-cache py-pip && \
     pip install pipenv
 
 # Update pipenv libs
@@ -21,12 +20,15 @@ FROM base
 ARG KUBECTL_VERSION=1.14.10
 
 # Kubectl
-RUN apt update && apt install -y curl && \
-    curl -Lo /usr/bin/kubectl https://storage.googleapis.com/kubernetes-release/release/v${KUBECTL_VERSION}/bin/linux/amd64/kubectl && \
+RUN apk update && \
+    apk add curl && \
+    curl -Lo /tmp/kubernetes-client-linux-amd64.tar.gz https://dl.k8s.io/v${KUBECTL_VERSION}/kubernetes-client-linux-amd64.tar.gz && \
+    tar -zxvf /tmp/kubernetes-client-linux-amd64.tar.gz -C /tmp && \
+    mv /tmp/kubernetes/client/bin/kubectl /usr/bin/kubectl && \
     chmod +x /usr/bin/kubectl
 
 # Python libs and sources
 COPY --from=builder $PYROOT/lib/ $PYROOT/lib/
-COPY main.py .
+COPY . .
 
-CMD ["python", "main.py"]
+CMD ["python", "handler.py"]

docs/dockerhub/README.md

@@ -1,6 +1,5 @@
 # Supported tags and respective `Dockerfile` links
-* [latest](Dockerfile)
-* `1.0.0-kubectl1.19.3`, `1.0.0-1.19.3`, `1.0.0`, `latest`
+* `1.0.0-kubectl1.19.3`, `1.0.0-1.19.3`, `1.0.0`, [`latest`](Dockerfile)
 * `1.0.0-kubectl1.18.10`, `1.0.0-1.18.10`
 * `1.0.0-kubectl1.17.13`, `1.0.0-1.17.13`
 * `1.0.0-kubectl1.16.15`, `1.0.0-1.16.15`