diff --git a/Dockerfile b/Dockerfile
index 48a3702..5251e5a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,49 +1,33 @@
 FROM node:12-alpine as builder
 
-ENV YAPI_VERSION="1.9.2"
+ENV YAPI_VERSION="1.9.3"
 ENV YAPI_HOME="/yapi"
 ENV GIT_URL="https://github.com/YMFE/yapi.git"
-ENV GIT_MIRROR_URL="https://gitee.com/mirrors/YApi.git"
-
 WORKDIR ${YAPI_HOME}
-
-COPY config.json .
-COPY start.sh .
-
-RUN apk add --no-cache wget python make git curl
-RUN chmod +x start.sh
-RUN ret=`curl -s https://api.ip.sb/geoip | grep China | wc -l` && \
-    if [ $ret -ne 0 ]; then \
-        GIT_URL=${GIT_MIRROR_URL} && npm config set registry https://registry.npm.taobao.org; \
-    fi;
+RUN apk add --no-cache wget python3 make git curl
 RUN git clone --depth 1 --branch v${YAPI_VERSION} --single-branch ${GIT_URL} vendors
-
 WORKDIR ${YAPI_HOME}/vendors
 #RUN npm install -g node-gyp yapi-cli
-RUN npm install --production
-
+RUN npm install --production -registry https://registry.npm.taobao.org
+WORKDIR ${YAPI_HOME}
 
 FROM node:12-alpine
-
 ENV TZ="Asia/Shanghai"
-ENV YAPI_VERSION="1.9.2"
+ENV YAPI_VERSION="1.9.3"
 ENV YAPI_HOME="/yapi"
-ENV YAPI_PORT="3000"
 ENV ADMIN_EMAIL="master@simaek.com"
-ENV DB_HOST="mongo"
+ENV DB_HOST="127.0.0.1"
 ENV DB_NAME="yapi"
 ENV DB_PORT="27017"
 ENV MAIL_ENABLE="false"
-ENV MAIL_HOST="127.0.0.1"
-ENV MAIL_PORT="465"
-ENV MAIL_FROM="master@simaek.com"
-ENV MAIL_USER="user"
-ENV MAIL_PWD="password"
-
+ENV MAIL_HOST=""
+ENV MAIL_PORT=""
+ENV MAIL_FROM=""
+ENV MAIL_USER=""
+ENV MAIL_PWD=""
 WORKDIR ${YAPI_HOME}
-
 COPY --from=builder /yapi .
-
-EXPOSE ${YAPI_PORT}
-#ENTRYPOINT ["node", "server/app.js"]
-ENTRYPOINT ["sh", "start.sh"]
\ No newline at end of file
+COPY entrypoint.sh /
+RUN chmod +x /entrypoint.sh
+EXPOSE 3000
+ENTRYPOINT ["/entrypoint.sh"]
diff --git a/config.json b/config.json
deleted file mode 100644
index 261444e..0000000
--- a/config.json
+++ /dev/null
@@ -1,19 +0,0 @@
-{
-   "port": "YAPI_PORT",
-   "adminAccount": "ADMIN_EMAIL",
-   "db": {
-      "servername": "DB_HOST",
-      "DATABASE": "DB_NAME",
-      "port": "DB_PORT"
-   },
-   "mail": {
-      "enable": "MAIL_ENABLE",
-      "host": "MAIL_HOST",
-      "port": "MAIL_PORT",
-      "from": "MAIL_FROM",
-      "auth": {
-          "user": "MAIL_USER",
-          "pass": "MAIL_PWD"
-      }
-    }
-}
\ No newline at end of file
diff --git a/docker-compose.yml b/docker-compose.yml
index 2145875..c5a6b73 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -4,29 +4,21 @@ services:
   mongo:
     image: mongo:2.8.0
     container_name: mongo
-    # restart: always
+    restart: always
     # volumes:
       # - ~/data/yapi/mongodb:/data/db #db dir
     networks:
       - backend
   # yapi server
   yapi:
-    image: simaek/yapi:latest
-#    build: ./
+    image: yapi:latest
+    build: ./
     container_name: yapi
     environment:    
-      - YAPI_PORT=3000
       - ADMIN_EMAIL=master@simaek.com
       - DB_HOST=mongo
       - DB_NAME=yapi
-      - DB_PORT=27017
-      - MAIL_ENABLE=false
-      - MAIL_HOST=127.0.0.1
-      - MAIL_PORT=465
-      - MAIL_FROM=master@simaek.com
-      - MAIL_USER=master
-      - MAIL_PWD=master
-    # restart: always
+    restart: always
     ports:
       - 3000:3000
     # volumes:
diff --git a/entrypoint.sh b/entrypoint.sh
new file mode 100644
index 0000000..a53f7da
--- /dev/null
+++ b/entrypoint.sh
@@ -0,0 +1,43 @@
+#!/usr/bin/env sh
+
+cd ${YAPI_HOME}
+
+# configure with environment variables
+cat << EOF > config.json
+{
+    "port": 3000,
+    "adminAccount": "${ADMIN_EMAIL}",
+    "db": {
+        "servername": "${DB_HOST}",
+        "DATABASE": "${DB_NAME}",
+        "port": ${DB_PORT}
+    },
+    "mail": {
+        "enable": "${MAIL_ENABLE}",
+        "host": "${MAIL_HOST}",
+        "port": "${MAIL_PORT}",
+        "from": "${MAIL_FROM}",
+        "auth": {
+          "user": "${MAIL_USER}",
+          "pass": "${MAIL_PASS}"
+        }
+    }
+}
+EOF
+
+cd ${YAPI_HOME}/vendors
+if [ ! -e "init.lock" ]
+then
+  # yapi install -v ${YAPI_VERSION}
+  npm run install-server
+  touch init.lock
+fi
+
+cd ${YAPI_HOME}/vendors
+
+if [ $1 ]
+then
+  node $i
+else
+  node server/app.js
+fi
diff --git a/start.sh b/start.sh
deleted file mode 100644
index e7cb780..0000000
--- a/start.sh
+++ /dev/null
@@ -1,30 +0,0 @@
-#!/usr/bin/env sh
-
-cd ${YAPI_HOME}/vendors
-
-if [ ! -e "init.lock" ]
-then
-  sed -i "s/YAPI_PORT/${YAPI_PORT}/g" config.json
-  sed -i "s/ADMIN_EMAIL/${ADMIN_EMAIL}/g" config.json
-  sed -i "s/DB_HOST/${DB_HOST}/g" config.json
-  sed -i "s/DB_NAME/${DB_NAME}/g" config.json 
-  sed -i "s/DB_PORT/${DB_PORT}/g" config.json
-  sed -i "s/\"MAIL_ENABLE\"/${MAIL_ENABLE}/g" config.json
-  sed -i "s/MAIL_HOST/${MAIL_HOST}/g" config.json
-  sed -i "s/MAIL_PORT/${MAIL_PORT}/g" config.json
-  sed -i "s/MAIL_FROM/${MAIL_FROM}/g" config.json
-  sed -i "s/MAIL_USER/${MAIL_USER}/g" config.json
-  sed -i "s/MAIL_PWD/${MAIL_PWD}/g" config.json
-  # yapi install -v ${YAPI_VERSION}
-  npm run install-server
-  touch init.lock
-fi
-
-cd ${YAPI_HOME}/vendors
-
-if [ $1 ]
-then
-  node $i
-else
-  node server/app.js
-fi
\ No newline at end of file