Deploy NodeJS Docker to QiO Edge Cloud using Kubernetes

weixin_33757911

于 2017-09-26 06:08:12 发布

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原文链接：https://segmentfault.com/a/1190000011359974

本文介绍如何创建Node-RED应用并构建Docker镜像，包括指定Node.js基础镜像版本、安装所需Node-RED插件、暴露端口及推送镜像到私有仓库的步骤。最后还介绍了如何在Kubernetes集群中部署该应用。

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Create App and build docker image

Create a file of the name Dockerfile with the content below and put into your project root folder.

# specify the node base image with your desired version node:<version>
FROM node:8

WORKDIR /app

RUN chown -R node:node /usr/local/lib/node_modules
RUN chown -R node:node /usr/local/bin
USER node

RUN npm install node-red -g
RUN npm install node-red-node-mongodb -g
RUN npm i node-red/node-red-dashboard -g

# port 1880 for node-red-dashboard
EXPOSE 1880

CMD node-red

Build using docker build -t nodejs .

Tag & Push docker image to the private registry

docker tag nodejs qio01:5000/nodejs:1.0.1
docker push qio01:5000/nodejs:1.0.1

Deploy in Kubenetes

Goto default Stack.
Add a service, fill in Name, Hostname, Select Image, and rote Port Map.
Goto nginx load balancer in Rancher.
Add a port rule, select Protocol and Target image, fill in host Port and target Port.