feat: change the sample application

[DeadNews]

• feat: change the sample application
• ci: add docker-publish
• ci: add makefile
• ci(pre-commit): add actionlint hook
• docs(README): add image info

[codecov-commenter]

Codecov Report

Patch coverage: 65.51% and project coverage change: +15.51% 🎉

Comparison is base (9d8c646) 50.00% compared to head (ddd3fd9) 65.51%.

Additional details and impacted files

@@             Coverage Diff             @@
##             main      #33       +/-   ##
===========================================
+ Coverage   50.00%   65.51%   +15.51%     
===========================================
  Files           1        1               
  Lines           6       29       +23     
===========================================
+ Hits            3       19       +16     
- Misses          3       10        +7     

Files Changed	Coverage Δ
cmd/deadnews-template-go/main.go	65.51% <65.51%> (+15.51%)	⬆️

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[DeadNews]

@CodiumAI-Agent /review

[CodiumAI-Agent]

PR Analysis

• 🎯 Main theme: This PR introduces changes to the sample application, adding new features and tests, and setting up continuous integration (CI) workflows.
• 📝 PR summary: The PR modifies the sample application to create and start a server using the Echo framework. It also adds tests for the server creation and response. Additionally, it sets up a docker-publish workflow for Docker and adds an actionlint hook for pre-commit. The README is updated with image information.
• 📌 Type of PR: Enhancement
• 🧪 Relevant tests added: Yes
• 🔒 Security concerns: No security concerns found

PR Feedback

• 💡 General suggestions: The PR is well-structured, and the changes are logically grouped. The addition of tests for the new server functionality is appreciated. However, it would be beneficial to add more comments in the code to explain the logic and any complex sections. This will make the code easier to understand for other developers.

• 🤖 Code feedback:

  • relevant file: cmd/deadnews-template-go/main_test.go
    suggestion: Consider adding more edge cases in your tests. For example, what happens if the server fails to create? Or what if the server response is not as expected? Handling these edge cases will make your tests more robust. [important]
    relevant line: func TestServerCreation(t *testing.T) {

  • relevant file: cmd/deadnews-template-go/main.go
    suggestion: It's good practice to handle errors explicitly. In the main function, the e.Start(":" + httpPort) might fail. Consider handling this error. [important]
    relevant line: e.Logger.Fatal(e.Start(":" + httpPort))

  • relevant file: .github/workflows/docker-publish.yml
    suggestion: It's recommended to use pinned versions of GitHub Actions to mitigate the risk of unexpected changes. Consider pinning the version of docker/login-action and docker/build-push-action. [medium]
    relevant line: uses: docker/login-action@343f7c4344506bcbf9b4de18042ae17996df046d # v3.0.0

  • relevant file: Dockerfile
    suggestion: It's a good practice to minimize the number of layers in your Docker image. Consider combining the WORKDIR / and COPY --from=go-builder /tmp/deadnews-template-go /bin/deadnews-template-go commands into a single RUN command. [medium]
    relevant line: WORKDIR /

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