Use reusable workflow for build & push

.github/workflows/build.yml

@@ -1,50 +0,0 @@
-name: Publish Docker image
-
-on:
-    workflow_dispatch:
-        inputs:
-            mumble-version:
-                description: "The version (tag or commit hash) of Mumble to build"
-                required: true
-                default: "latest"
-            docker-version:
-                description: "Docker image version, independent of mumble version"
-                required: true
-                default: 0
-
-jobs:
-    docker:
-        runs-on: ubuntu-latest
-        steps:
-            - name: Checkout
-              uses: actions/checkout@v2
-              
-            - name: Set mumble-version if manual trigger
-              if: "${{ github.event.inputs.mumble-version != '' }}"
-              run: echo "MUMBLE_VERSION=${{ github.event.inputs.mumble-version }}" >> $GITHUB_ENV
-              
-            - name: Set docker-version if manual trigger
-              if: "${{ github.event.inputs.docker-version != '' }}"
-              run: echo "DOCKER_VERSION=${{ github.event.inputs.docker-version }}" >> $GITHUB_ENV
-              
-            - name: Set up QEMU
-              uses: docker/setup-qemu-action@v2
-              
-            - name: Set up Docker Build
-              uses: docker/setup-buildx-action@v2
-              
-            - name: Login to DockerHub
-              uses: docker/login-action@v2 
-              with:
-                username: ${{ secrets.DOCKERHUB_USERNAME }}
-                password: ${{ secrets.DOCKERHUB_TOKEN }}
-                
-            - name: Build and push
-              uses: docker/build-push-action@v2
-              with:
-                context: .
-                platforms: linux/amd64
-                push: true
-                build-args: |
-                  MUMBLE_VERSION=${{ env.MUMBLE_VERSION }}
-                tags: mumblevoip/mumble-server:latest,mumblevoip/mumble-server:${{ env.MUMBLE_VERSION }},,mumblevoip/mumble-server:${{ env.MUMBLE_VERSION }}-${{ env.DOCKER_VERSION }}

.github/workflows/build_and_publish.yml

@@ -0,0 +1,49 @@
+name: Build and Publish
+
+on:
+    workflow_call:
+        inputs:
+            mumble_version:
+                required: true
+                type: string
+            docker_version:
+                required: true
+                type: string
+            platforms:
+                required: true
+                type: string
+            publish:
+                required: true
+                type: boolean
+
+jobs:
+    build:
+        runs-on: ubuntu-latest
+        steps:
+            - name: Checkout
+              uses: actions/checkout@v2
+              
+            - name: Set up QEMU
+              uses: docker/setup-qemu-action@v2
+              
+            - name: Set up Docker Build
+              uses: docker/setup-buildx-action@v2
+              
+            - name: Login to DockerHub
+              if: ${{ inputs.publish }}
+              uses: docker/login-action@v2 
+              with:
+                username: ${{ secrets.DOCKERHUB_USERNAME }}
+                password: ${{ secrets.DOCKERHUB_TOKEN }}
+                
+            - name: Build and push
+              uses: docker/build-push-action@v2
+              with:
+                context: .
+                platforms: ${{ inputs.platforms }}
+                push: ${{ inputs.publish }}
+                build-args: |
+                    MUMBLE_VERSION=${{ inputs.mumble_version }}
+                tags: mumblevoip/mumble-server:latest, mumblevoip/mumble-server:${{ inputs.mumble_version }}, mumblevoip/mumble-server:${{ inputs.mumble_version }}-${{ inputs.docker_version }}
+              env:
+                MUMBLE_VERSION: ${{ inputs.mumble_version }}

.github/workflows/manual_dispatch.yml

@@ -0,0 +1,27 @@
+name: Manual dispatch
+
+on:
+    workflow_dispatch:
+        inputs:
+            mumble_version:
+                description: "The version (tag or commit hash) of Mumble to build"
+                required: true
+                default: "latest"
+            docker_version:
+                description: "Docker image version, independent of mumble version"
+                required: true
+                default: "0"
+            publish:
+                description: "Whether the built image(s) shall be published to Dockerhub"
+                required: true
+                default: "false"
+
+jobs:
+    manual_dispatch:
+        uses: ./.github/workflows/build_and_publish.yml
+        with:
+            mumble_version: ${{ github.event.inputs.mumble_version }}
+            docker_version: ${{ github.event.inputs.docker_version }}
+            publish: ${{ github.event.inputs.publish == 'true' }}
+            platforms: "linux/amd64"
+        secrets: inherit