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Golang s2i container image
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===================
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This repository contains the source for building various versions of
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the Go application as a reproducible s2i container image.
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Users can choose between RHEL, Fedora and CentOS based builder images.
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The resulting image can be run using [podman](https://github.com/containers/libpod), [Docker](http://docker.io) or using [source-to-image](https://github.com/openshift/source-to-image/).
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Also the whole pipeline from build to app deployment could be run on top of the [Openshift Origin](https://www.okd.io/) or [Red Hat's Openshift](https://www.openshift.com/).
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Usage
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---------------------
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Simplest usage via s2i:
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s2i build ./src centos/go-toolset-7-centos7:latest test-app
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where ./src directory contains git repository with golang application that has complete dependencies. You can't use incremental build in this case.
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or
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s2i build -e IMPORT_URL='github.com/cpuguy83/go-md2man' ./src centos/go-toolset-7-centos7:latest test-app
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where ./src directory contains git repository with golang application(in this case github.com/cpuguy83/go-md2man) that has complete or incomplete dependencies. You can use incremental build in this case.
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Both will build test-app application image.
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Environment variables
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---------------------
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To set these environment variables, you can place them as a key value pair into a `.s2i/environment`
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file inside your source code repository or specified via s2i invocation.
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* **IMPORT_URL**
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Used to specify the golang application import URL (i.e. usually something like github.com/someorg/somerepo), that is build. Necessary for the incremental build to function.
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* **INSTALL_URL**
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Used to specify the golang application import URL of the main package (i.e. usually something like github.com/someorg/somerepo/subfolder). Necessary if the main package is not in the root folder of the repository.
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