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dyadin/rancher-demo

By dyadin

•Updated about 6 years ago

A simple HTTP server to show container's hostname & IP & Rancher logo

Image
0

1.8K

dyadin/rancher-demo repository overview

default using TCP port 80.

Quick Demo:

docker run -it --rm --name=rancher-web-demo -p 8080:80 dyadin/rancher-demo:latest

K8s Demo yaml:

apiVersion: apps/v1
kind: Deployment
metadata:
  name: rancher-demo
  labels:
    app: rancher-demo
spec:
  replicas: 3
  selector:
    matchLabels:
      app: rancher-demo
  template:
    metadata:
      labels:
        app: rancher-demo
    spec:
      containers:
      - name: rancher-nginx
        image: dyadin/rancher-demo
        ports:
        - containerPort: 80
        env:
        - name: hostinfo
          valueFrom:
            fieldRef:
              apiVersion: v1
              fieldPath: spec.nodeName

Example:

rancher-demo.png

Dockfile to build the image:

# cat Dockerfile
FROM rancher/nginx:1.17.4-alpine
COPY start.sh favicon.ico rancher.png /usr/share/nginx/html/
CMD ["/usr/share/nginx/html/start.sh" ]

start.sh startup shell script

 cat start.sh
#!/bin/sh
echo "
<html>
  <head>
    <title>Rancher HTTP Server Demo</title>
  </head>
  <body>
      <h2>Hello, this web-page is served by: `tail -1 /etc/hosts|awk '{print $2}'`</h2>
      <h2>Current container's private IP is: `tail -1 /etc/hosts|awk '{print $1}'`</h2>
      <h2>Current container is running on host: "$hostinfo"</h2>
      <img src="rancher.png">
  </body>
</html>" > /usr/share/nginx/html/index.html && \
nginx -g "daemon off;"

Tag summary

Content type

Image

Digest

Size

8.3 MB

Last updated

over 6 years ago

docker pull dyadin/rancher-demo