feat: Dockerfile support

[barnabasbusa]

Closes: #277

[CLAassistant]

All committers have signed the CLA.

[splix]

@barnabasbusa let me think about this.

Having a Dockerfile seems to be a very confusing for Java developers, because it's expected to use Jib plugin, which is configured in Gradle. So I'm trying to figure out if it's possible to make a one liner instead of a whole Dockerfile.

Anyway, wanted to ask about your use case for this. Because as I see it, for anyone who changes the code it's a non-issues because he would definitely have a JVM or JDK installed. For others, who don't change the code, there is a CI action that makes a public build after each commit into master branch. Can you tell me more what you're trying reach? Here, or on Discord. Thank you

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (6fd701b) 57.98% compared to head (88e20d1) 57.98%.

Additional details and impacted files

@@            Coverage Diff            @@
##             master     #279   +/-   ##
=========================================
  Coverage     57.98%   57.98%           
  Complexity     1801     1801           
=========================================
  Files           278      278           
  Lines          9823     9823           
  Branches       1227     1227           
=========================================
  Hits           5696     5696           
  Misses         3461     3461           
  Partials        666      666           

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