roland0 / hello-world-app

Hello world app for training

Hello world app

hello-world-app web service in 8080 port used for training and/or testing. It simply shows data about k8s deployment info and http request headers.

It also provides a /version uri to get the version of the app.

Building from Source

To build rawmind/hello-world-app docker image, run make app.

To use a custom Docker repository, do DOCKER_USER=custom make image, which produces a custom/hello-world-app image.

Running Docker Image

Docker

Run docker run -td -p <PORT>:8080 rawmind/hello-world-app.

Generating K8s manifests

K8S manifests are generated under /k8s folder. App fqdn for ingress (default hello-world-app.test.dev) and app replica (default: 2) can be overriden setting SERVICE_FQDN and SERVICE_REPLICA env variables.

Run make k8s_manifests

Generating helm chart

Helm chart is generated under /chart folder. App fqdn for ingress (default hello-world-app.test.dev) and app replica (default: 2) can be overriden setting SERVICE_FQDN and SERVICE_REPLICA env variables.

Run make chart

Deployment

Run make k8s_deploy

Service

Run make k8s_service

Ingress

Run make k8s_ingress

License

Copyright (c) 2014-2018 Rancher Labs, Inc.

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.