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golang-s2i
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improve doc

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Nicolas Massé 9 years ago
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      README.md

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@ -39,23 +39,36 @@ The application, which consists of a simple static web page, should now be acces
The following command will create a builder image named golang-centos7. The following command will create a builder image named golang-centos7.
``` ```
$ oc new-app https://github.com/nmasse-itix/golang-s2i.git --name=golang-centos7 $ oc new-app https://github.com/nmasse-itix/golang-s2i.git --name=golang-centos7
$ oc scale --replicas=0 dc golang-centos7
``` ```
#### Creating the application image The `oc scale` command is needed to prevent OpenShift from running your builder image as an application.
You could also delete the useless service and the deployment config :
```
$ oc delete service golang-centos7
$ oc delete rc golang-centos7
```
#### Creating and running the application image
The application image combines the builder image with your applications source code, which is served using whatever application is installed via the *Dockerfile*, compiled using the *assemble* script, and run using the *run* script. The application image combines the builder image with your applications source code, which is served using whatever application is installed via the *Dockerfile*, compiled using the *assemble* script, and run using the *run* script.
The following command will create the application image: The following command will create the application image and run it:
``` ```
$ oc new-app --strategy=source --context-dir=test/test-app --name golang-centos7-app golang-centos7~https://github.com/nmasse-itix/golang-s2i.git $ oc new-app --strategy=source --context-dir=test/test-app --name golang-centos7-app golang-centos7~https://github.com/nmasse-itix/golang-s2i.git
``` ```
Using the logic defined in the *assemble* script, s2i will now create an application image using the builder image as a base and including the source code from the test/test-app directory. Using the logic defined in the *assemble* script, s2i will now create an application image using the builder image as a base and including the source code from the test/test-app directory.
#### Running the application image Creating a route for the application is needed to use it :
Running the application image is as simple as invoking the "oc new-app" command:
``` ```
$ oc expose service golang-centos7-app $ oc expose service golang-centos7-app
$ oc get route golang-centos7-app $ oc get route golang-centos7-app
``` ```
The application, which consists of a simple static web page, should now be accessible at the url shown on last command (oc get route).
The application, which consists of a simple static web page, should now be accessible at the url shown on last command (oc get route) :
```
$ curl "http://$(oc get route golang-centos7-app |awk '$1 == "golang-centos7-app" {print $2}')/"
```
## Files and Directories ## Files and Directories

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