Simple Node.js Hello World example
551
A simple stateless HTTP server written in Node.js which returns a timestamp, 'Hello World' + a unique string. This server can be used to check loadbalancing as every instance returns an own unique string.
Clone
git clone https://github.com/giftkugel/node-hello-server.git
cd node-hello-server
Run the server
node index.js
Start the container
docker run --name node-hello -d -p 8080:8080 giftkugel/node-hello:latest
Create deployment
kubectl create deployment hello --image=giftkugel/node-hello:latest
Expose the deployment
kubectl expose deployment hello --port=8080 --target-port=8080 --name=hello-service --type=LoadBalancer
Default
curl http://localhost:8080
2020-10-21T13:52:47.792Z] - Hello World - request=5bf3b6dec71250b9, id=142a4a66, ip=::1, method=GET, node=v12.9.0, count=0000000003, path=/
Server: node-hello-server 142a4a66
Request-Id: 5bf3b6dec71250b9
Node-Version: v12.9.0
Count: 0000000003
Connection-Date: 2020-10-21T13:52:47.792Z
You can set the wait query parameter to let the server wait an amount of time before the answer is send
Example: Wait 5 seconds
curl http://localhost:8080?wait=5000
Content type
Image
Digest
Size
47.5 MB
Last updated
almost 6 years ago
docker pull giftkugel/node-hello