Defining datasources in Application
- Pros
- Avoid configuring client's application server
- Useful in development stage to just change the parameters and build and deploy
- Cons
- Cannot use same build for Dev, QA, UAT and Pro. that may leads to minor problems
Defining datasources in App server
- Pros
- More secure by having it in app server configuration builder will not have the credentials to the clients DB
- Can make war file smaller having DB modules in app server
- Can use same war file in multiple places (Test, Production and different clients)
- Can use same build for staging and make sure that application works perfectly
- Easy deployment
- Cons
- Based on the different clients having different application servers would take some time to configure
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