refactor: more detailed docker multi-stage builds

Dockerfile

@@ -1,35 +1,37 @@
-FROM golang:1.18.1-alpine3.15 AS asset
+FROM golang:1.18-alpine3.16 AS xray
-COPY . /tmp/TProxy
+ENV XRAY_VERSION="v1.5.9"
-ENV UPX_VERSION="3.96"
-ENV XRAY_VERSION="v1.5.5"
 RUN \
-  apk add build-base bash make curl git perl ucl-dev zlib-dev && \
+  apk add git && \
-  \
+  git clone https://github.com/XTLS/Xray-core.git && \
-  # upx compile
+  cd ./Xray-core/ && git checkout ${XRAY_VERSION} && \
-  wget https://github.com/upx/upx/releases/download/v${UPX_VERSION}/upx-${UPX_VERSION}-src.tar.xz -P /tmp/ && \
-  cd /tmp/ && tar xf upx-${UPX_VERSION}-src.tar.xz && \
-  cd upx-${UPX_VERSION}-src && make all && \
-  mv ./src/upx.out /usr/bin/upx && \
-  \
-  # xray-core compile
-  mkdir -p /asset/usr/bin/ && mkdir -p /asset/run/radvd/ && \
-  git clone https://github.com/XTLS/Xray-core.git /tmp/Xray-core && \
-  cd /tmp/Xray-core/ && git checkout $XRAY_VERSION && \
   env CGO_ENABLED=0 go build -o xray -trimpath -ldflags "-s -w" ./main && \
-  upx -9 ./xray && mv ./xray /asset/usr/bin/ && \
+  mv ./xray /tmp/
-  \
+
-  # asset download
+# upx can't be compiled under gcc11, so we should use alpine:3.15
-  mkdir -p /asset/etc/xray/asset/ && cd /asset/etc/xray/asset/ && \
+FROM alpine:3.15 AS upx
-  wget "https://github.com/Loyalsoldier/v2ray-rules-dat/releases/latest/download/geoip.dat" && \
+ENV UPX_VERSION="3.96"
-  wget "https://github.com/Loyalsoldier/v2ray-rules-dat/releases/latest/download/geosite.dat" && \
+RUN \
-  cd /asset/etc/xray/ && tar czf asset.tar.gz ./asset/ && rm -rf ./asset/ && \
+  apk add bash build-base perl ucl-dev zlib-dev && \
-  \
+  wget https://github.com/upx/upx/releases/download/v${UPX_VERSION}/upx-${UPX_VERSION}-src.tar.xz && \
-  # init script
+  tar xf upx-${UPX_VERSION}-src.tar.xz && \
-  mv /tmp/TProxy/load.sh /asset/etc/xray/ && chmod +x /asset/etc/xray/load.sh && \
+  cd upx-${UPX_VERSION}-src/ && make all && \
-  mv /tmp/TProxy/tproxy.sh /asset/tproxy && chmod +x /asset/tproxy
+  mv ./src/upx.out /tmp/upx
+
+FROM alpine:3.16 AS asset
+COPY --from=xray /tmp/xray /asset/usr/bin/
+COPY --from=upx /tmp/upx /usr/bin/
+COPY . /TProxy
+RUN \
+  apk add libgcc libstdc++ ucl && upx -9 /asset/usr/bin/xray && \
+  cd /tmp/ && mkdir ./asset/ && mkdir -p /asset/etc/xray/ && \
+  wget "https://github.com/Loyalsoldier/v2ray-rules-dat/releases/latest/download/geoip.dat" -P /tmp/asset/ && \
+  wget "https://github.com/Loyalsoldier/v2ray-rules-dat/releases/latest/download/geosite.dat" -P /tmp/asset/ && \
+  tar czf asset.tar.gz ./asset/ && mv ./asset.tar.gz /asset/etc/xray/ && \
+  mv /TProxy/load.sh /asset/etc/xray/ && chmod +x /asset/etc/xray/load.sh && \
+  mv /TProxy/tproxy.sh /asset/tproxy && chmod +x /asset/tproxy
 
-FROM alpine:3.15.4
+FROM alpine:3.16
 COPY --from=asset /asset/ /
 ENV XRAY_LOCATION_ASSET=/etc/xray/asset
-RUN apk add --no-cache iptables ip6tables radvd
+RUN apk add --no-cache iptables ip6tables radvd && mkdir -p /run/radvd/
 ENTRYPOINT ["sh","tproxy"]