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README.md

getting-started-golang

wercker status

A sample application in Go for Wercker.

This application uses the golang container obtained from the Docker Hub

Setup & Build

Clone this repo and cd into the directory:

git clone https://github.com/wercker/getting-started-golang.git
cd getting-started-golang

then build the executable:

go build

Running

You can run the executable in a couple of different ways. The first is to simply launch the executable:

./getting-started-golang

Now point your browser at http://localhost:5000 to see:

Hello World!

or at http://localhost:5000/cities.json to see:

{"cities":["Amsterdam","Berlin","New York","San Francisco","Tokyo"]}

The second, and more useful, way is to use the wercker dev command to launch the binary within a Docker container, using the base image defined in the box/id property at the top of the wercker.yml, like so:

wercker dev --expose-ports

The dev target inside wercker.yml uses the internal/watch step to dynamically reload the runtime container when sourcefile changes are detected, which allows you to quickly test changes without having to kill/rebuild/relaunch the container. For instance, add another city to the array on main.go:15 like so:

Cities: []string{"Amsterdam","Berlin","New York","San Francisco","Tokyo","London"},

and then refresh your browser pointing to http://localhost:5000/cities.json to see:

{"cities":["Amsterdam","Berlin","New York","San Francisco","Tokyo","London"]}}

Sign up for Wercker: http://www.wercker.com

Learn more at: http://devcenter.wercker.com