added Dockerfile and documentation for dockerized install of cerc-web

CHANGELOG

@@ -1,4 +1,4 @@
-rev 577 (2019-02-22) (krueschan)
+rev 577-578 (2019-02-22) (krueschan)
 - added Dockerfile and documentation for dockerized install of cerc-web
 
 rev 574-576 (2019-02-21) (krueschan)

docker/README.md

@@ -3,8 +3,10 @@ This directory contains the Dockerfile used to generate a fully self-contained D
 
 # Usage
 1. Obtain Docker for your operating system from https://www.docker.com/
-2. If you use Docker Desktop, you can pull the docker image (climateequityreferenceproject/cerc-web) directly from within Docker Desktop otherwise run on your command line: `docker pull climateequityreferenceproject/cerc-web`.
-3. To start the image from the commandline, type `docker run -i -t -d --name cerc-web -p 80:80  krueschan/cerc-web:latest` (if applicable, replace 'latest' with the specific release you're using, for example "version-3.2.1")
+* If you use Docker Desktop, you can pull the docker image (climateequityreferenceproject/cerc-web) directly from within Docker Desktop otherwise run on your command line: `docker pull climateequityreferenceproject/cerc-web`.
+* Alternatively, you can use the Dockerfile contained in this folder to automatically build the image yourself from source (only the Dockerfile is needed, everything else will be pulled from various sources as needed). Run `docker build -t climateequityreferenceproject/cerc-web .` from the command line within the directory where the Dockerfile is located.
+* To start the image from the commandline, type `docker run -i -t -d --name cerc-web -p 80:80  climateequityreferenceproject/cerc-web:latest` (if applicable, replace 'latest' with the specific release you're using, for example "version-3.2.1")
+
 
 # Finally
 This directory also contains install scripts that can be used to automatically install cerc-web into a devilbox Docker container (http://devilbox.org) or into a standard LEMP stack, such as https://hub.docker.com/r/tonisormisson/dev-lemp