Docker Compose profile for external PIXL DB

[tomaroberts]

@p-j-smith, @stefpiatek – draft PR alternative approach to #593, to hopefully demonstrate this is along the right lines.

Uses Docker Compose profiles approach, as discussed in that PR. Thought simpler to start again from main rather than unpick the other one.

I've got two postgres containers running with ./run-system-test.sh, however the system-tests are failing hard. I can't figure out why yet. I think pixl cli is unable to communicate with system-test-postgres-external-1.

If either of you has a chance to pull the branch and investigate the system tests errors, let me know if you can diagnose, otherwise I'll keep at it.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 85.35%. Comparing base (4af6ed0) to head (a4c9fc2).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #595      +/-   ##
==========================================
- Coverage   87.51%   85.35%   -2.17%     
==========================================
  Files          76       72       -4     
  Lines        3437     3169     -268     
==========================================
- Hits         3008     2705     -303     
- Misses        429      464      +35     

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[stefpiatek]

If either of you has a chance to pull the branch and investigate the system tests errors, let me know if you can diagnose, otherwise I'll keep at it.

Looks like its passing in CI which is interesting.

[tomaroberts]

If either of you has a chance to pull the branch and investigate the system tests errors, let me know if you can diagnose, otherwise I'll keep at it.

Looks like its passing in CI which is interesting.

The system-test was being skipped, which is what was failing.

Paul and I reverted to my previous PR/branch, so don't worry about this draft now.