ci: combine build and docker process

.Dockerfile

@@ -0,0 +1,29 @@
+FROM alpine AS build-env
+COPY ./dist /dist
+RUN arch="$(apk --print-arch)"; \
+	case "$arch" in \
+		'x86_64') \
+			export FOLDER='default_linux_amd64'; \
+			;; \
+		'armhf') \
+			export FOLDER='default_linux_arm_6'; \
+			;; \
+		'armv7') \
+			export FOLDER='default_linux_arm_7'; \
+			;; \
+		'aarch64') \
+			export FOLDER='default_linux_arm64'; \
+			;; \
+		'x86') \
+			export FOLDER='default_linux_386'; \
+			;; \
+		*) echo >&2 "error: unsupported architecture '$arch'"; exit 1 ;; \
+	esac \
+    && mv /dist/$FOLDER /app ; \
+    rm /dist -rf
+
+FROM alpine
+RUN apk add --no-cache ca-certificates
+COPY --from=build-env /app /app
+WORKDIR /app
+ENTRYPOINT ["./glider"]

.github/workflows/build.yml

@@ -1,5 +1,15 @@
 name: Build
-on: [push, pull_request]
+on:
+  push:
+    branches:
+      - 'dev'
+    tags:
+      - '*'
+
+env:
+  DOCKERHUB_REPO: nadoo/glider
+  GHCR_REPO: ghcr.io/nadoo/glider
+  PLATFORMS: linux/386,linux/amd64,linux/arm/v6,linux/arm/v7,linux/arm64
 
 jobs:
   build:
@@ -51,4 +61,44 @@ jobs:
           version: latest
           args: release --rm-dist
         env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Docker - Set up Buildx
+        id: buildx
+        uses: docker/setup-buildx-action@v1
+
+      - name: Docker - Login to DockerHub
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v1
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Docker - Login to GHCR
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v1
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Docker - Docker meta
+        id: meta
+        uses: docker/metadata-action@v3
+        with:
+          images: |
+            ${{ env.DOCKERHUB_REPO }}
+            ${{ env.GHCR_REPO }}
+          tags: |
+            type=ref,event=branch
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+      - name: Docker - Build and push
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          file: .Dockerfile
+          platforms: ${{ env.PLATFORMS }}
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          

.github/workflows/docker.yml

@@ -1,67 +0,0 @@
-# https://github.com/docker/build-push-action#usage
-name: Docker
-
-on:
-  push:
-    branches:
-      - 'dev'
-    tags:
-      - '*'
-
-env:
-  DOCKERHUB_REPO: nadoo/glider
-  GHCR_REPO: ghcr.io/nadoo/glider
-  PLATFORMS: linux/386,linux/amd64,linux/arm/v6,linux/arm/v7,linux/arm64
-
-jobs:
-  publish:
-    name: Publish
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v2
-        with:
-          fetch-depth: 0
-
-      - name: Set up QEMU
-        uses: docker/setup-qemu-action@v1
-
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v1
-
-      - name: Login to DockerHub
-        if: github.event_name != 'pull_request'
-        uses: docker/login-action@v1
-        with:
-          username: ${{ secrets.DOCKERHUB_USERNAME }}
-          password: ${{ secrets.DOCKERHUB_TOKEN }}
-
-      - name: Login to GHCR
-        if: github.event_name != 'pull_request'
-        uses: docker/login-action@v1
-        with:
-          registry: ghcr.io
-          username: ${{ github.repository_owner }}
-          password: ${{ secrets.GITHUB_TOKEN }}
-
-      - name: Docker meta
-        id: meta
-        uses: docker/metadata-action@v3
-        with:
-          images: |
-            ${{ env.DOCKERHUB_REPO }}
-            ${{ env.GHCR_REPO }}
-          tags: |
-            type=ref,event=branch
-            type=semver,pattern={{version}}
-            type=semver,pattern={{major}}.{{minor}}
-
-      - name: Build and push
-        uses: docker/build-push-action@v2
-        with:
-          context: .
-          platforms: ${{ env.PLATFORMS }}
-          push: ${{ github.event_name != 'pull_request' }}
-          tags: ${{ steps.meta.outputs.tags }}
-          cache-from: type=gha
-          cache-to: type=gha,mode=max