COWWEB

Cosay Web API.

$ curl "http://localhost:8080/cowsay/say?message=Hello%20cowweb"
 ______________
< Hello cowweb >
 --------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||--WWW |
                ||     ||

How to build and run

gradle

Build a executable jar with dependencies and run localy.

Inatall gradle.

See the official documentation.

Clone this repository.

git clone https://github.com/hhiroshell/cowweb.git && cd cowweb

Build and run.

gradle build

java -jar build_local/dist/libs/cowweb-0.1.jar

Call the API.

You can call the API via localhost:8080 .

curl "http://localhost:8080/cowsay/say"

And you can specify a message using "message" query (special characters have to be URL encorded).

curl "http://localhost:8080/cowsay/say?message=hello%20cowweb"

Skaffold

Build a containized app and deploy to a kubernets cluster using skaffold.

Set up required CLIs

Set up kubectl, docker and skaffold.

• kubectl
• docker
• skaffold

And make sure you have access to a kuberentes cluster you want to deploy this app via kubectl. Typically you can use minikube for experimental use.

Clone this repository.

git clone https://github.com/hhiroshell/cowweb.git && cd cowweb

Call the API.

Skaffold builds containinzed app, and deploy to kubernets cluster automatically. As regards this repository, skaffold configured to skip pushing the container image to resistry. For details, see the configuration file skaffold.yaml.

skaffold run

Build and run

You can find the app runnig in a pod and be exporsed via a service in the namespace "cowweb-local-dev", You can get the IP and port like a command below.

export COWWEB_HOST=$(kubectl get pod -n cowweb-local-dev -o 'jsonpath={.items[0].status.hostIP}'):$(kubectl get service cowweb -n cowweb-local-dev -o 'jsonpath={.spec.ports[0].nodePort}')

Then, call the API via COWWEB_HOST.

curl "http://$COWWEB_HOST/cowsay/say?message=hello%20cowweb"