Refined Dockerfile 12Mb

Author: Lissy93

.github/workflows/build-docker.yml

@@ -0,0 +1,40 @@
+name: Build + Publish Docker Image 🐳
+
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - main
+
+env:
+  IMAGE_NAME: adguardian
+  DOCKER_USER: ${{ github.repository_owner }}
+  REGISTRY: ghcr.io
+
+jobs:
+  docker:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v1
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build and push Docker images
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          file: ./Dockerfile
+          push: true
+          platforms: linux/amd64,linux/arm64,linux/arm/v7
+          tags: |
+            ${{ env.REGISTRY }}/${{ env.DOCKER_USER }}/${{ env.IMAGE_NAME }}:latest

Dockerfile

@@ -1,24 +1,13 @@
 # syntax=docker/dockerfile:1.2
 
+# Build application - Copy assets, install deps and compile binary
 FROM --platform=$BUILDPLATFORM rust:1.69.0-alpine AS builder
-
-# Adding necessary packages
-RUN apk update
-RUN apk add pkgconfig openssl openssl-dev musl-dev
-
-# Set working directory in container; make directory if not exists
-RUN mkdir -p /usr/src/adguardian
+RUN apk add --no-cache pkgconfig openssl openssl-dev musl-dev
 WORKDIR /usr/src/adguardian
-
-# Copy all files from local computer to container
-COPY Cargo.toml .
-COPY Cargo.lock .
-COPY src src
-
-# Build release application
+COPY . .
 RUN cargo build --release
 
-
+# Run application - Using lightweight base, execute the binary
 FROM scratch
 COPY --from=builder /usr/src/adguardian/target/release/adguardian /
 ENTRYPOINT ["/adguardian"]