dockerfile

Dockerfile

+FROM node
+RUN mkdir -p /usr/src/app
+WORKDIR /usr/src/app
+COPY package.json /usr/src/app/
+#RUN npm install
+COPY . /usr/src/app
+EXPOSE 3000
+CMD [ "npm", "start" ]
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Dockerfile_min

+# Dockerfile.alpine
+FROM alpine:edge
+
+# Install node.js by apk
+RUN echo '@edge http://nl.alpinelinux.org/alpine/edge/main' >> /etc/apk/repositories
+RUN apk update && apk upgrade
+RUN apk add --no-cache nodejs-lts@edge
+
+# If you have native dependencies, you'll need extra tools
+# RUN apk add --no-cache make gcc g++ python
+
+# Create app directory
+RUN mkdir -p /usr/src/app
+WORKDIR /usr/src/app
+
+# If your project depends on many package, you can use cnpm instead of npm
+# RUN npm install cnpm -g --registry=https://registry.npm.taobao.org
+# RUN cnpm install
+
+# Install app dependencies
+COPY package.json /usr/src/app/
+RUN npm install
+
+# Bundle app source
+COPY . /usr/src/app
+
+# Expose port
+EXPOSE 3000
+CMD [ "npm", "start" ]
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