diff --git a/Dockerfile b/Dockerfile
index f38e52d..c5adfc4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,64 +1,56 @@
-FROM alpine:3.15.2 as build
-COPY . /tmp/ClearDNS
-ENV GO_VERSION="1.17.8"
+FROM golang:1.17.8-alpine3.15 AS asset
+COPY . /build/ClearDNS
 ENV UPX_VERSION="3.96"
 ENV OVERTURE_VERSION="v1.8"
 ENV DNSPROXY_VERSION="v0.42.0"
 ENV ADGUARD_VERSION="v0.107.5"
 RUN \
-apk add git build-base bash make cmake glib-dev go npm nodejs yarn perl ucl-dev zlib-dev && \
+apk add git build-base bash make cmake glib-dev npm nodejs yarn perl ucl-dev zlib-dev && \
 \
-wget https://dl.google.com/go/go${GO_VERSION}.src.tar.gz -P /tmp/ && \
-tar -C /usr/local/ -xf /tmp/go${GO_VERSION}.src.tar.gz && \
-cd /usr/local/go/src/ && ./make.bash && \
-apk del go && export PATH=$PATH:/usr/local/go/bin && \
-\
-mkdir /tmp/release/ && cd /tmp/ && \
+mkdir /build/release/ && cd /build/ && \
 git clone https://github.com/shawn1m/overture.git && \
 git clone https://github.com/AdguardTeam/dnsproxy.git && \
 git clone https://github.com/AdguardTeam/AdGuardHome.git && \
 wget https://github.com/upx/upx/releases/download/v${UPX_VERSION}/upx-${UPX_VERSION}-src.tar.xz && \
 \
-cd /tmp/ && tar xf upx-${UPX_VERSION}-src.tar.xz && \
+cd /build/ && tar xf upx-${UPX_VERSION}-src.tar.xz && \
 cd upx-${UPX_VERSION}-src && make all && \
 mv ./src/upx.out /usr/bin/upx && \
 \
-cd /tmp/ClearDNS/ && mkdir ./build/ && \
+cd /build/ClearDNS/ && mkdir ./build/ && \
 cd ./build/ && cmake -DCMAKE_BUILD_TYPE=Release .. && make && \
-mv ../bin/cleardns /tmp/release/ && \
+mv ../bin/cleardns /build/release/ && \
 \
-cd /tmp/overture/ && git checkout ${OVERTURE_VERSION} && \
+cd /build/overture/ && git checkout ${OVERTURE_VERSION} && \
 env CGO_ENABLED=0 go build -o overture -trimpath -ldflags "-X main.version=${OVERTURE_VERSION} -s -w" ./main/main.go && \
-mv ./overture /tmp/release/ && \
+mv ./overture /build/release/ && \
 \
-cd /tmp/dnsproxy/ && git checkout ${DNSPROXY_VERSION} && \
+cd /build/dnsproxy/ && git checkout ${DNSPROXY_VERSION} && \
 env CGO_ENABLED=0 go build -trimpath -ldflags "-X main.VersionString=${DNSPROXY_VERSION} -s -w" && \
-mv ./dnsproxy /tmp/release/ && \
+mv ./dnsproxy /build/release/ && \
 \
-cd /tmp/AdGuardHome/ && git checkout ${ADGUARD_VERSION} && \
+cd /build/AdGuardHome/ && git checkout ${ADGUARD_VERSION} && \
 make CHANNEL="release" VERSION=${ADGUARD_VERSION} && \
-mv ./AdGuardHome /tmp/release/ && \
+mv ./AdGuardHome /build/release/ && \
 \
-cd /tmp/release/ && \
+cd /build/release/ && \
 strip cleardns && \
-upx -9 AdGuardHome dnsproxy overture
-
-FROM alpine:3.15.2 as asset
-COPY . /tmp/ClearDNS
-COPY --from=build /tmp/release /tmp/release
-RUN \
+upx -9 AdGuardHome dnsproxy overture && \
+\
+cd /build/ && \
 wget https://res.dnomd343.top/Share/gfwlist/gfwlist.txt && \
 wget https://res.dnomd343.top/Share/chinalist/chinalist.txt && \
 wget https://res.dnomd343.top/Share/chinalist/china-ip.txt && \
 tar czf asset.tar.gz gfwlist.txt chinalist.txt china-ip.txt && \
-mkdir -p /tmp/asset/etc/ && mkdir -p /tmp/asset/usr/ && \
-cp -r /tmp/ClearDNS/overture/ /tmp/asset/etc/ && \
-mv asset.tar.gz /tmp/asset/etc/overture/ && \
-mv /tmp/release/ /tmp/asset/usr/bin/ && \
-mv /tmp/ClearDNS/load.sh /tmp/asset/usr/bin/load
+\
+mkdir -p /asset/etc/ && mkdir -p /asset/usr/ && \
+cp -r /build/ClearDNS/overture/ /asset/etc/ && \
+mv asset.tar.gz /asset/etc/overture/ && \
+mv /build/release/ /asset/usr/bin/ && \
+mv /build/ClearDNS/load.sh /asset/usr/bin/load
 
 FROM alpine:3.15.2
-COPY --from=asset /tmp/asset /
+COPY --from=asset /asset /
 RUN apk add --no-cache ca-certificates glib iptables ip6tables && \
 echo -e "0\t4\t*\t*\t*\t/etc/overture/update.sh" > /var/spool/cron/crontabs/root
 ENTRYPOINT ["cleardns"]