尝试从 docker hub 上的官方 blackfire/blackfire 图像为 BlackFire 构建本地 Docker 图像

Question

我正在尝试运行使用 docker 适得其反，但出现 x509 错误：

$ docker run -it --rm \
     -e BLACKFIRE_CLIENT_ID=$BLACKFIRE_CLIENT_ID \
     -e BLACKFIRE_CLIENT_TOKEN=$BLACKFIRE_CLIENT_TOKEN \
     blackfire/blackfire blackfire \
     --slot=7 --samples=10 \
     curl http://symfony.com/

错误：

Unable to verify certificate because of Unknown Authority, fallbacking on embedded Certificate Authorities.
Error sending request to Blackfire API: Get https://blackfire.io/api/v1/collab-tokens: x509: certificate signed by unknown authority
Error retrieving reference profiles: Cannot send an HTTP request to the Blackfire API.

一种解决方案是使用以下 Dockerfile

构建 blackfire/blackfire 的本地映像

FROM alpine:latest
RUN apk update && apk add ca-certificates && rm -rf /var/cache/apk/*
COPY BCPSG.pem /etc/ssl/certs
RUN update-ca-certificates 2>/dev/null

FROM blackfire/blackfire
ENV BLACKFIRE_CONFIG /dev/null
ENV BLACKFIRE_LOG_LEVEL 1
ENV BLACKFIRE_SOCKET tcp://0.0.0.0:8707
RUN mkdir -p /var/run/blackfire
EXPOSE 8707
RUN apk add --no-cache curl
ADD blackfire blackfire-agent /usr/bin
CMD ["blackfire-agent"]

注意两个 FROM 都在同一个 Dockerfile 中。但是，

$docker build -t blackfire/blackfire .

给我错误：

Step 12/13 : ADD blackfire blackfire-agent /usr/bin
ADD failed: stat /var/lib/docker/tmp/docker-builder392805777/blackfire: no such file or directory

我正在构建本地 Blackfire 映像的原因是要添加证书，以便 Blackfire 代理能够与 Blackfire SaaS 服务通信，而不会因 x509 错误而失败。

尝试了@mihal 解决方案：

$ docker build -t blackfire/blackfire .
Sending build context to Docker daemon   7.68kB
Step 1/12 : FROM blackfire/blackfire
latest: Pulling from blackfire/blackfire
8e402f1a9c57: Pull complete
8244547729ec: Pull complete
ddd7f503c29b: Pull complete
Digest: sha256:efb4966f8d23759119fcd74040a16b5197a4ff1ba52b87a540b2eb765d3cc72b
Status: Downloaded newer image for blackfire/blackfire:latest
 ---> 7a7965c92939
Step 2/12 : RUN apk update && apk add ca-certificates && rm -rf /var/cache/apk/*
 ---> Running in b9907f44f2a5
fetch http://dl-cdn.alpinelinux.org/alpine/v3.9/main/x86_64/APKINDEX.tar.gz
fetch http://dl-cdn.alpinelinux.org/alpine/v3.9/community/x86_64/APKINDEX.tar.gz
v3.9.2-48-g471cf80f4f [http://dl-cdn.alpinelinux.org/alpine/v3.9/main]
v3.9.2-49-g87ea954c9b [http://dl-cdn.alpinelinux.org/alpine/v3.9/community]
OK: 9759 distinct packages available
OK: 7 MiB in 19 packages
Removing intermediate container b9907f44f2a5
 ---> 812e166dbda7
Step 3/12 : COPY BCPSG.pem /etc/ssl/certs
 ---> fe8246febc72
Step 4/12 : RUN update-ca-certificates 2>/dev/null
 ---> Running in 58eb7726b653
Removing intermediate container 58eb7726b653
 ---> 0dafb5dea0be
Step 5/12 : ENV BLACKFIRE_CONFIG /dev/null
 ---> Running in d7fd082168c0
Removing intermediate container d7fd082168c0
 ---> b5a6c49e0856
Step 6/12 : ENV BLACKFIRE_LOG_LEVEL 1
 ---> Running in 82d8017afad6
Removing intermediate container 82d8017afad6
 ---> 897d2d602633
Step 7/12 : ENV BLACKFIRE_SOCKET tcp://0.0.0.0:8707
 ---> Running in 0ca41e881a1a
Removing intermediate container 0ca41e881a1a
 ---> 65a43d10ea8c
Step 8/12 : RUN mkdir -p /var/run/blackfire
 ---> Running in 7a7f0fe60538
Removing intermediate container 7a7f0fe60538
 ---> af5e1266099c
Step 9/12 : EXPOSE 8707
 ---> Running in 2336bab0f174
Removing intermediate container 2336bab0f174
 ---> 2ae826054fca
Step 10/12 : RUN apk add --no-cache curl
 ---> Running in 044e9a932299
fetch http://dl-cdn.alpinelinux.org/alpine/v3.9/main/x86_64/APKINDEX.tar.gz
fetch http://dl-cdn.alpinelinux.org/alpine/v3.9/community/x86_64/APKINDEX.tar.gz
OK: 7 MiB in 19 packages
Removing intermediate container 044e9a932299
 ---> 9c5a9bcef470
Step 11/12 : ADD blackfire blackfire-agent /usr/bin
ADD failed: stat /var/lib/docker/tmp/docker-builder620641237/blackfire: no such file or directory

Answer 1

如果你有一个多阶段构建，你可以有 2 个 FROM 语句，但是你应该命名第一个并在第二个中用它做一些事情。这似乎不是你的情况。

你能试试这个版本吗：

FROM blackfire/blackfire

RUN apk update && apk add ca-certificates && rm -rf /var/cache/apk/*

COPY BCPSG.pem /etc/ssl/certs
RUN update-ca-certificates 2>/dev/null

ENV BLACKFIRE_CONFIG /dev/null
ENV BLACKFIRE_LOG_LEVEL 1
ENV BLACKFIRE_SOCKET tcp://0.0.0.0:8707

RUN mkdir -p /var/run/blackfire
EXPOSE 8707
RUN apk add --no-cache curl
ADD blackfire blackfire-agent /usr/bin
CMD ["blackfire-agent"]

尝试从 docker hub 上的官方 blackfire/blackfire 图像为 BlackFire 构建本地 Docker 图像

Trying to build a local Docker image for BlackFire from official blackfire/blackfire image on docker hub

php

docker

dockerfile

blackfire