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Keeping your development environment in sync with production environment
published November 29, 2009
In one of my current projects, we are developing a semantic portal that is providing welfare related information for public. Portal content is updated daily by content providers while we are developing more features using three week sprints. We have a very nice way of keeping development environment in sync with production environment.
1) In the beginning of every sprint, production content is copied into the maven repository using custom made scripts.
2) Test environment data is brought up to date with the production environment.
3) Development environment content data dependency is updated to latest version in our pom.xml files.
4) Developers update their environments from the SCM and the Maven repository. Development data is now in sync with production data.
5) Developers start to build new features planned for the current sprint.
6) Once a feature starts to be ready, new installation is made into the test environment and a developer will make necessary configurations for it.
7) Tester works with developer to finish the feature. In our team, tester is a role and can virtually be anyone.
8) Test environment content is copied into the Maven repository using custom made scripts.
9) Development environment content data dependency is updated to latest version in our pom.xml files.
10) Developers update their environments from the SCM and the Maven repository. Development data now contains just finished feature.
11) Steps 6…10 reoccur n times.
12) Once all features are ready (or we run out of development time), testing begins. During this time, only bug fix commits are allowed as we are getting ready for the production release update.
13) Production deployment is made for the new release.
This cycle works well and this way we are developing against latest production data. Key here is to make export and import scripts very easy to use. This style will help you tremendously if you are planning to release after every sprint.
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