initial commit

Author: ReToCode

README.md

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-# docker-paas
 Collection of hands on for workshops about docker, PaaS, Openshift, Kubernetes

docker/README.md

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+# Docker hands on
+
+## Build a docker image
+cd web-app
+docker build .
+
+## Run a docker image
+docker run retocode/web-app:v1
+
+
+

docker/web-app/Dockerfile

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+FROM node:10
+
+WORKDIR /usr/src/app
+
+COPY index.js ./
+
+EXPOSE 3000
+
+CMD [ "node", "/usr/src/app/index.js" ]

docker/web-app/index.js

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+const http = require('http');
+
+const port = 3000;
+const hostname = '0.0.0.0';
+
+const server = http.createServer((req, res) => {
+  res.statusCode = 200;
+  res.setHeader('Content-Type', 'text/plain');
+  res.end('Hello from Application \n' + process.env.VERSION);
+});
+
+server.listen(port, hostname, () => {
+  console.log(`Server is running on port ${port}.`);
+});