Deployment configurations

[petertrr]

What's done:

• Added spring-boot-gradle-plugin to enable packaging of executable jars
• Added docker-compose.yaml
• Added Dockerfiles for backend and orchestrator
• Added prometheus.yml
• Expose prometheus metrics with spring-boot-actuator
• Added gradle plugin to discover version based on git tag
• Enabled build-info.properties generation for spring boot

TODO:

• Finish dockerfiles
• Test individual containers locally
• Start registry before building images in compose file separate command for registry
• Test compose & swarm locally
• Add third party services configs
• Consider building images with spring boot gradle plugin (also solves problem with image versions)
• Endpoint with build info
• Pushing images to local docker registry doesn't work, but it's fine for deploy on single machine now and needs to be tested properly on actual server
• Set image version in docker-compose.yaml during build

[codecov]

Codecov Report

Merging #6 (7811767) into master (7b8dd1d) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master       #6   +/-   ##
=========================================
  Coverage     92.75%   92.75%           
  Complexity       11       11           
=========================================
  Files             4        4           
  Lines            69       69           
  Branches          1        1           
=========================================
  Hits             64       64           
  Misses            4        4           
  Partials          1        1           

Flag	Coverage Δ	Complexity Δ
unittests	92.75% <ø> (ø)	0.00 <ø> (ø)

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[orchestr7]

create a table with ports

[orchestr7]

lgtm