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来源:stackoverflow
2024-04-24 19:33:39
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来到的大家,相信都是编程学习爱好者,希望在这里学习Golang相关编程知识。下面本篇文章就来带大家聊聊《Docker:无法计算缓存密钥》,介绍一下,希望对大家的知识积累有所帮助,助力实战开发!
问题内容
我正在尝试为我的 sample-go 应用程序构建一个 docker 映像。 我从示例应用程序文件夹本身并使用 goland 编辑器的终端运行它。但构建失败并给了我一些错误。
我的 docker 文件如下所示:
from alpine:latest run mkdir -p /src/build workdir /src/build run apk add --no-cache tzdata ca-certificates copy ./configs /configs copy main /main expose 8000 cmd ["/main"]
构建命令:
docker build --no-cache --progress=plain - < dockerfile
错误和日志:
#1 [internal] load build definition from Dockerfile #1 sha256:8bb9ee83603259cf748d90ce42602f12527fa720d7417da22799b2ad4e503497 #1 transferring dockerfile: 222B done #1 DONE 0.0s #2 [internal] load .dockerignore #2 sha256:f93d938488588cd0e0a94d9d343fe69dcfd28d0cb1da95ad7aab00aac50235c3 #2 transferring context: 2B done #2 DONE 0.0s #3 [internal] load metadata for docker.io/library/alpine:latest #3 sha256:13549c58a76bcb5dac9d52bc368a8fb6b5cf7659f94e3fa6294917b85546978d #3 DONE 0.0s #10 [1/6] FROM docker.io/library/alpine:latest #10 sha256:d20daa00e252bfb345a1b4f53b6bb332aafe702d8de5e583a76fcd09ba7ea1c1 #10 CACHED #7 [internal] load build context #7 sha256:0f7a8a6082a837c139acc2855e1b745bba9f28cc96709d45cd0b7be42442c0e8 #7 transferring context: 2B done #7 DONE 0.0s #4 [2/6] RUN mkdir -p /src/build #4 sha256:b9fa3007a44471d47414dd29b3ff07ead6af28ede820a2b4bae0ce84cf2c5a83 #4 CACHED #5 [3/6] WORKDIR /src/build #5 sha256:b2ec58a365fdd74c4f9030b0caff2e2225eea33617da306678ad037fce675388 #5 CACHED #6 [4/6] RUN apk add --no-cache tzdata ca-certificates #6 sha256:0966097abf956d5781bc2330d49cf715cd52c3807e8fedfff07dec50907ff03b #6 CACHED #9 [6/6] COPY main /main #9 sha256:f4b81960427c014a020361bea0903728f289e1d796892fe0adc6409434f3ca76 #9 ERROR: "/main" not found: not found #8 [5/6] COPY ./configs /configs #8 sha256:630f272dd60dd307f40dbbdaef277ee0dfc24b71fa11e10a3b8efd64d3c05086 #8 ERROR: "/configs" not found: not found #4 [2/6] RUN mkdir -p /src/build #4 sha256:b9fa3007a44471d47414dd29b3ff07ead6af28ede820a2b4bae0ce84cf2c5a83 #4 DONE 0.2s ------ > [5/6] COPY ./configs /configs: ------ ------ > [6/6] COPY main /main: ------ failed to compute cache key: "/main" not found: not found
ps:我找不到问题出在哪里?请帮忙
正确答案
就我而言,我错过了 .dockerignore 文件中的文件夹条目。做类似的事情。
**/* !docker-images !configs !main
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