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    <title>Cosign on 黄文卓 | DevOps Engineer</title>
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    <description>Recent content in Cosign on 黄文卓 | DevOps Engineer</description>
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    <managingEditor>17691281867@163.com (Wenzhuo Huang)</managingEditor>
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    <copyright>© 2026 Wenzhuo Huang</copyright>
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      <title>ko 实战：无 Dockerfile 构建 Go 容器镜像的正确姿势</title>
      <link>https://socake.github.io/posts/ko-go-image-build/</link>
      <pubDate>Fri, 09 Jan 2026 10:00:00 +0800</pubDate>
      <author>17691281867@163.com (Wenzhuo Huang)</author>
      <guid>https://socake.github.io/posts/ko-go-image-build/</guid>
      <description>同样是构建 Go 镜像，用 Dockerfile + BuildKit 要 2-3 分钟，用 ko 只需要 5-20 秒。差距来自 ko 不走 daemon、不写 tar、直接把 Go 编译产物塞进 OCI manifest。本文讲清楚这套 &amp;lsquo;Dockerfile-less&amp;rsquo; 构建到底怎么落地到生产，以及什么时候不该用它。</description>
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      <title>Sigstore/Cosign 镜像签名实战：从 keyless 签名到准入策略验证</title>
      <link>https://socake.github.io/posts/sigstore-cosign-signing-workflow/</link>
      <pubDate>Fri, 17 Oct 2025 10:00:00 +0800</pubDate>
      <author>17691281867@163.com (Wenzhuo Huang)</author>
      <guid>https://socake.github.io/posts/sigstore-cosign-signing-workflow/</guid>
      <description>一份 Sigstore 生产化落地笔记：讲清楚 Fulcio/Rekor/Cosign 三件套的工作原理，演示 GitHub Actions 和 GitLab CI 下的 keyless 签名流水线，对接 Kyverno/Policy Controller 做准入验证，并分享签名验证性能、Rekor 不可用降级、多签策略等真实运维经验。</description>
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      <title>供应链安全：Trivy 镜像扫描 &#43; Cosign 签名验证实践</title>
      <link>https://socake.github.io/posts/trivy-cosign-supply-chain/</link>
      <pubDate>Sat, 06 Sep 2025 13:50:00 +0800</pubDate>
      <author>17691281867@163.com (Wenzhuo Huang)</author>
      <guid>https://socake.github.io/posts/trivy-cosign-supply-chain/</guid>
      <description>你的镜像安全吗？本文梳理容器供应链的主要攻击面，手把手演示 Trivy 扫描、Cosign 签名、K8s 准入控制三层防护的搭建过程，并给出 GitLab CI 集成示例。</description>
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