enable timestamp on image (#556)

[metrue]

• enable timestamp on image

• fix name issue

Issue:
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 #557 into production will not change coverage.
The diff coverage is 0.00%.

@@             Coverage Diff             @@
##           production     #557   +/-   ##
===========================================
  Coverage       24.48%   24.48%           
===========================================
  Files              53       53           
  Lines            1932     1932           
===========================================
  Hits              473      473           
  Misses           1378     1378           
  Partials           81       81           

Impacted Files	Coverage Δ
middlewares/build.go	0.00% <0.00%> (ø)

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