Add installation guide for openshift to README

Effort Towards Bug #16

README.md

@@ -15,3 +15,53 @@ CSH Gallery is an internal site, and thus not public-facing, however below are s
 
 #### View Text File:
 ![View Text File](https://csh.rit.edu/~ram/gallery/gallery_txt.png)
+
+## Installation on Openshift Origin
+CSH Gallery is designed with Openshift Origin in mind as the hosting platform.
+Below are a series of instructions needed in order to get CSH Gallery running on
+an Openshift Origin cluster.
+
+1. Create a new Python3.5 Source to Image Openshift Project
+
+2. Point Openshift towards your forked CSH Gallery Repository and setup build
+   hooks and routing as you see appropriate
+
+3. Under the builds menu select your BuildConfig and then go to Actions -> Edit
+   Build Configuration
+
+   a. Under Image Configuration please change Build From to "Docker Image"
+   b. Under Image Configuration please change Docker Image Repository to
+   "liammiddlebrook/s2i-python-container"
+
+4. Under the Deployments menu select your DeploymentConfig and then go to the
+   Environment section
+
+   a. Enter in your OIDC provider information as follows:
+   ```
+   GALLERY_OIDC_CLIENT_SECRET = $yourOIDCclientSecret
+   GALLERY_OIDC_ISSUER = $yourOIDCissuerURI
+   ```
+
+   b. Enter in your hosting and route information as follows:
+   ```
+   GALLERY_PORT = $thePortExposedByYourRoute
+   GALLERY_SERVER_NAME = $theDNSRecordForAccessingYourGalleryInstance
+   ```
+
+   c. Enter in your ldap bind information as follows:
+   ```
+   GALLERY_LDAP_BIND_PW = $ldapBindPassword
+   ```
+
+   d. Enter in your database credential string as follows:
+   ```
+   GALLERY_DATABASE_URI = $yourSQLAlchemyConnectionString
+   ```
+
+   e. Enter in your S3 credentials as follows:
+
+   ```
+   GALLERY_S3_ACCESS_ID = $s3AccessID
+   GALLERY_S3_BUCKET_ID = $s3BucketID
+   GALLERY_S3_SECRET_KEY = $s3SecretKey
+   ```