Use clean when running shadowJar in Dockerfile

[wslulciuc]

Problem

PR #2032 introduced MARQUEZ_VERSION in entrypoint.sh to avoid the case when multiple JARs are located under the directory api/build/libs/. When building the docker image for the API, we copy over the directory api/ in its entirety. This results in (possibly) multiple JARs with the following error:

marquez-ap   | invalid choice: 'marquez-api-0.27.1-SNAPSHOT.jar' (choose from 'server', 'check', 'metadata', 'seed')
marquez-api  | usage: java -jar marquez-api-0.27.0-SNAPSHOT.jar

Solution

When building the API docker image, use clean when building the shadow JAR:

 $ ./gradlew clean :api:shadowJar

This will ensure the directory api/build/libs/ is cleaned before building the JAR again. This PR also updates .dockerignore to ignore api/build/*.

Checklist

• You've signed-off your work
• Your changes are accompanied by tests (if relevant)
• Your change contains a small diff and is self-contained
• You've updated any relevant documentation (if relevant)
• You've updated the CHANGELOG.md with details about your change under the "Unreleased" section (if relevant, depending on the change, this may not be necessary)
• You've versioned your .sql database schema migration according to Flyway's naming convention (if relevant)
• You've included a header in any source code files (if relevant)

[codecov]

Codecov Report

Merging #2145 (2de4352) into main (5e47e0e) will not change coverage.
The diff coverage is n/a.

❗ Current head 2de4352 differs from pull request most recent head 564ebf6. Consider uploading reports for the commit 564ebf6 to get more accurate results

@@            Coverage Diff            @@
##               main    #2145   +/-   ##
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  Coverage     75.30%   75.30%           
  Complexity     1038     1038           
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  Files           203      203           
  Lines          4883     4883           
  Branches        399      399           
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  Hits           3677     3677           
  Misses          763      763           
  Partials        443      443           

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