support before_build hook

[metrue]

Issue: #454
Summary:

The checklist before PR is ready for review:

• has unit testing for new added codes
• has functional testing for new added features
• has checked the lint or style issues
• README updated if need

[codecov]

Codecov Report

Merging #455 into master will decrease coverage by 8.50%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #455      +/-   ##
==========================================
- Coverage   34.74%   26.23%   -8.51%     
==========================================
  Files          50       52       +2     
  Lines        2222     2287      +65     
==========================================
- Hits          772      600     -172     
- Misses       1326     1567     +241     
+ Partials      124      120       -4     

Impacted Files	Coverage Δ
infra/k8s/init_container.go	0.00% <0.00%> (-100.00%)	⬇️
infra/k8s/deployment.go	0.00% <0.00%> (-93.19%)	⬇️
infra/k8s/service.go	0.00% <0.00%> (-89.19%)	⬇️
infra/k8s/pod.go	0.00% <0.00%> (-83.34%)	⬇️
infra/k8s/configmap.go	0.00% <0.00%> (-65.22%)	⬇️
infra/k8s/deployer.go	0.00% <0.00%> (-29.81%)	⬇️
middlewares/binding.go	38.70% <0.00%> (-29.04%)	⬇️
hook/hook_manager.go	62.96% <0.00%> (ø)
hook/hook.go	68.75% <0.00%> (ø)

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