现状:controller/tts.go:232 硬编码 Version: "2.0.0 (v3 API)",
不会随代码变化而更新,/health 无法反映实际跑的代码。
修复:四文件改动,实现构建时 ldflags 注入。
1. 新建 version/version.go,声明两个包级变量:
Version (默认 "dev")
Commit (默认 "dev")
2. dto/health.go:HealthResponse 加 Commit 字段(JSON 输出多一字段)
3. controller/tts.go:HealthResponse 用 version.Version / version.Commit
替代硬编码字面量
4. Dockerfile:加 ARG VERSION=dev ARG COMMIT=dev,
go build 时通过 -ldflags 注入到 version 包的两个变量
效果:
- 本地 go build (不传 ldflags) → version=dev commit=dev
- 开发 build (git describe) → version=v0.2.0-5-g4abcd5 commit=g4abcd5
- release build (打 tag 后) → version=v0.2.1 commit=<对应 hash>
测试环境(develop 分支,无 tag)显示距离上次 release 几个 commit +
具体 hash;生产环境(main + tag)显示干净 semver。
40 lines
928 B
Docker
40 lines
928 B
Docker
FROM golang:1.26-alpine AS builder
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WORKDIR /app
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COPY go.mod go.sum ./
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RUN go mod download
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COPY . .
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# VERSION 由 CI/CD 传入,通常为 `git describe --tags --always --dirty` 的输出
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# COMMIT 为 `git rev-parse --short HEAD`
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# 本地默认 dev
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ARG VERSION=dev
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ARG COMMIT=dev
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RUN CGO_ENABLED=0 GOOS=linux go build \
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-ldflags "-X github.com/volcano-tts/tts-api/version.Version=${VERSION} \
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-X github.com/volcano-tts/tts-api/version.Commit=${COMMIT}" \
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-o tts-api .
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FROM alpine:3.21
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RUN apk --no-cache add ca-certificates tzdata \
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&& addgroup -S appgroup && adduser -S appuser -G appgroup
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WORKDIR /app
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COPY --from=builder /app/tts-api .
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COPY --from=builder /app/health.html .
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RUN chown -R appuser:appgroup /app
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USER appuser
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EXPOSE 8080
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HEALTHCHECK --interval=30s --timeout=5s --start-period=5s --retries=3 \
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CMD wget -qO- http://localhost:8080/health || exit 1
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ENTRYPOINT ["./tts-api"]
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