[greatbody] Optimize Dockerfile and add pipeline to build it.

.github/workflows/docker.yml

@@ -0,0 +1,49 @@
+name: Publish to Docker Hub
+
+on:
+  workflow_dispatch:
+  push:
+    tags:
+      - 'v*'
+  release:
+    types: [published]
+
+jobs:
+  push_to_registry:
+    name: Push Docker image to Docker Hub
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out the repo
+        uses: actions/checkout@v3
+
+      - name: Log in to Docker Hub
+        uses: docker/login-action@v2
+        with:
+          username: ${{ vars.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@v4
+        with:
+          images: ${{ vars.DOCKER_USERNAME }}/v2ray-web-manager
+          tags: |
+            type=raw,value=latest
+            type=ref,event=tag
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v4
+        with:
+          context: ./
+          platforms: linux/amd64,linux/arm64
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max

Dockerfile

@@ -1,30 +1,40 @@
-FROM openjdk:8-jre
+# Stage 1: Fetch dependencies using a smaller base image with wget
+FROM alpine:latest AS fetcher
 
+RUN apk add --no-cache wget unzip
+
+# Download external files efficiently
+RUN wget -c https://glare.now.sh/master-coder-ll/v2ray-web-manager/admin -O admin.jar \
+  && wget -c https://glare.now.sh/master-coder-ll/v2ray-manager-console/dist -O dist.zip \
+  && wget -c https://glare.now.sh/master-coder-ll/v2ray-web-manager/v2ray-proxy -O v2ray-proxy.jar \
+  && unzip dist.zip -d ./web/
+
+# Stage 2: Main application image
+FROM openjdk:8-jre-slim
+
+# Install nginx and configure timezone
 RUN set -x && \
   echo "Asia/Shanghai" > /etc/timezone && \
   apt-get update && \
-  apt-get install -y nginx && \
-  mkdir -p /opt/jar/db/ && \
-  chown 1000:nogroup /opt/jar/db/ && \
-  mkdir -p /opt/jar/web/ && \
-  chown 1000:nogroup /opt/jar/web/ && \
-  mkdir -p /opt/conf/ && \
-  chown 1000:nogroup /opt/conf/
-
-ADD --chown=1000:nogroup ./admin.jar /opt/jar/admin.jar
-ADD --chown=1000:nogroup ./dist.zip /opt/jar/dist.zip
-ADD --chown=1000:nogroup ./v2ray-proxy.jar /opt/jar/v2ray-proxy.jar
-ADD --chown=1000:nogroup ./conf/admin.yaml /opt/conf/admin.yaml
-ADD --chown=1000:nogroup ./conf/proxy.yaml /opt/conf/proxy.yaml
-ADD --chown=1000:nogroup ./conf/config.json /opt/jar/config.json
-ADD --chown=1000:nogroup ./init.sh /opt/jar/run.sh
-ADD --chown=root:root ./conf/v2ray-mng.conf /etc/nginx/conf.d/default.conf
+  apt-get install -y nginx
+
+# Copy downloaded files from the first stage
+COPY --from=fetcher admin.jar v2ray-proxy.jar /opt/jar/
+COPY --from=fetcher web /opt/jar/web/
+
+# Create directories efficiently
+RUN mkdir -p /opt/jar/db /opt/conf && \
+  chown 1000:nogroup /opt/jar/db /opt/jar/web /opt/conf
+
+# Copy local files directly
+COPY conf/admin.yaml conf/proxy.yaml conf/config.json /opt/conf/
+COPY conf/v2ray-mng.conf /etc/nginx/conf.d/default.conf
+COPY init.sh /opt/jar/run.sh
 
+# Unzip and set permissions in a single RUN command
 RUN cd /opt/jar/ && \
-  unzip dist.zip -d /opt/jar/web/ && \
-  chmod +x /opt/jar/admin.jar && \
-  chmod +x /opt/jar/v2ray-proxy.jar && \
-  chmod +x /opt/jar/run.sh
+  chmod +x /opt/jar/admin.jar /opt/jar/v2ray-proxy.jar /opt/jar/run.sh
 
+# Set working directory and default command
 WORKDIR /opt/jar/
-CMD ["/bin/sh", "run.sh"]
+CMD ["/bin/sh", "run.sh"]