Go 和 chromedp 的 Dockerfile答案

错误执行：“google-chrome”：在运行 chromedp 的 $PATH 中找不到可执行文件

chromedp/headless-shellmulti-stage builds

gcr.io/distroless/base-debian11headless-shell

headless-shell

FROM chromedp/headless-shell:latest
...
# Install dumb-init or tini
RUN apt install dumb-init
# or RUN apt install tini
...
ENTRYPOINT ["dumb-init", "--"]
# or ENTRYPOINT ["tini", "--"]
CMD ["/path/to/your/program"]

下一个最小的可行示例。

ma​​in.go:

package main

import (
        "context"
        "log"
        "fmt"
        "time"

        "github.com/chromedp/chromedp"
)

func main() {
        ctx, cancel := chromedp.NewContext(
                context.Background(),
                chromedp.WithLogf(log.Printf),
        )
        defer cancel()

        ctx, cancel = context.WithTimeout(ctx, 15*time.Second)
        defer cancel()

        err := chromedp.Run(ctx,
                chromedp.Navigate(`https://golang.org/pkg/time/`),
        )
        if err != nil {
            fmt.Println(err)
        }
        fmt.Println("done")
}

Dockerfile：

FROM golang:latest as build

WORKDIR /go/src/app
COPY ./main.go .
RUN go mod init docker-scraper; go mod tidy
RUN go build

FROM chromedp/headless-shell:latest
RUN apt-get update; apt install dumb-init -y
ENTRYPOINT ["dumb-init", "--"]
COPY --from=build /go/src/app/docker-scraper /tmp
CMD ["/tmp/docker-scraper"]

docker-compose.yaml：

version: '3'
services:
  goservice:
    build: .

执行：

$ docker-compose up
Recreating chromedp-docker_goservice_1 ... done
Attaching to chromedp-docker_goservice_1
goservice_1  | done
chromedp-docker_goservice_1 exited with code 0

google-chrome