ci: updated dockerfile

docker/base-image/Dockerfile

@@ -2,7 +2,7 @@
 FROM ubuntu:22.04
 
 # set as non-interactive
-ENV DEBIAN_FRONTEND noninteractive
+ENV DEBIAN_FRONTEND=noninteractive
 
 # copy install scripts
 COPY ./install /app/install
@@ -32,17 +32,14 @@ RUN bash /app/install/rod/rod.sh
 WORKDIR /app/backend
 
 # node path
-ENV NODE_PATH /usr/lib/node_modules
+ENV NODE_PATH=/usr/lib/node_modules
 
 # timezone environment
-ENV TZ Asia/Shanghai
+ENV TZ=Asia/Shanghai
 
 # language environment
-ENV LC_ALL C.UTF-8
-ENV LANG C.UTF-8
-
-# goproxy
-ENV GOPROXY goproxy.io,direct
+ENV LC_ALL=C.UTF-8
+ENV LANG=C.UTF-8
 
 # frontend port
 EXPOSE 8080