chore(ci): setup docker build cache

[albttx]

Build docker images as test, and let it for developers

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 54.64%. Comparing base (bedd0f9) to head (59ae685).

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2062      +/-   ##
==========================================
- Coverage   54.65%   54.64%   -0.02%     
==========================================
  Files         583      583              
  Lines       78508    78508              
==========================================
- Hits        42909    42901       -8     
- Misses      32385    32393       +8     
  Partials     3214     3214              

Flag	Coverage Δ
contribs/gnodev	23.81% <ø> (ø)
contribs/gnofaucet	15.31% <ø> (+0.85%)	⬆️
contribs/gnokeykc	0.00% <ø> (ø)
contribs/gnomd	0.00% <ø> (ø)
gno.land	62.13% <ø> (ø)
gnovm	59.95% <ø> (ø)
misc/autocounterd	0.00% <ø> (ø)
misc/genproto	0.00% <ø> (ø)
misc/genstd	73.90% <ø> (ø)
misc/goscan	0.00% <ø> (ø)
misc/logos	17.38% <ø> (ø)
misc/loop	0.00% <ø> (ø)
tm2	54.25% <ø> (ø)

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[albttx]

After mutliple tries, i'm not sure it's improve a lot the build time.

probably because it's concurrent build.

[zivkovicmilos]

@albttx can you please update the branch to the latest master and resolve conflicts? 🙏

[albttx]

@zivkovicmilos So i fixed / rebased this PR, and added a workflow that didn't push the Docker image (this can be remove if you want).

The idea is to add a simple dockerfile that could be use by dev (because the goreleaser version require the go toolchain locally, this is a more "pure" docker image where the binaries are built inside the images.

This Dockerfile is require for me for the ci/portal-loop test!

[ajnavarro]

@zivkovicmilos is this still relevant?