added frontend dockerfile

frontend/Dockerfile

@@ -0,0 +1,29 @@
+# images
+FROM nginx:latest
+
+# source files
+ADD . /opt/crawlab/frontend
+
+# environment variables
+ENV NVM_DIR /usr/local/nvm
+ENV NODE_VERSION 8.12.0
+ENV WORK_DIR /opt/crawlab/frontend
+
+# install nvm
+RUN curl https://raw.githubusercontent.com/creationix/nvm/v0.24.0/install.sh | bash \
+    && . $NVM_DIR/nvm.sh \
+    && nvm install v$NODE_VERSION \
+    && nvm use v$NODE_VERSION \
+    && nvm alias default v$NODE_VERSION
+ENV NODE_PATH $NVM_DIR/versions/node/v$NODE_VERSION/lib/node_modules
+ENV PATH $NVM_DIR/versions/node/v$NODE_VERSION/bin:$PATH
+
+# install frontend
+RUN npm install -g yarn pm2 --registry=https://registry.npm.taobao.org
+RUN cd /opt/crawlab/frontend && yarn install --registry=https://registry.npm.taobao.org
+
+# nginx config & start frontend
+RUN cp $WORK_DIR/conf/crawlab.conf /etc/nginx/conf.d
+RUN service nginx reload
+
+CMD ["npm", "run", "build:prod"]

frontend/conf/crawlab.conf

@@ -0,0 +1,5 @@
+server {
+    listen  8080;
+    root    /opt/crawlab/frontend/dist;
+    index   index.html;
+}

frontend/conf/nginx.conf

@@ -8,8 +8,8 @@ http {
     default_type  application/octet-stream;
 
     server {
-        listen  8888;
-        root    /Users/yeqing/projects/crawlab-frontend/dist;
+        listen  8080;
+        root    /opt/dist;
         index   index.html;
 
         location ~ .*\.(js|css)?$ {