Update Dockerfile

Author: aogg

docker/http_shell/Dockerfile

@@ -3,6 +3,8 @@ FROM docker:dind
 
 EXPOSE 8080
 
+ENV HTTP_SHELL_PORT 8080
+
 # RUN echo '开始' \
 #     && ((/usr/local/bin/docker-entrypoint.sh ) &) \
 #     && sleep 4 \
@@ -12,4 +14,4 @@ ADD ./docker-entrypoint.http_shell.sh /
 
 ENTRYPOINT ["/docker-entrypoint.http_shell.sh"]
 
-CMD [ "dockerd" ]
+CMD [ "dockerd" ]