为什么我的docker-entrypoint.sh无法执行？

Question

我的ENTRYPOINT脚本无法执行并抛出 standard_init_linux.go:175: exec user process caused "no such file or directory"。为什么这样？

不起作用

$ docker build -t gilani/trollo . && docker run gilani/trollo
Sending build context to Docker daemon   126 kB
Step 1 : FROM vault:latest
 ---> 1f127f53f8b5
Step 2 : MAINTAINER Amin Shah Gilani <[e-mail]>
 ---> Using cache
 ---> 86b885ca1c81
Step 3 : COPY vaultConfig.json /vault/config
 ---> Using cache
 ---> 1a2be2fa3acd
Step 4 : COPY ./docker-entrypoint.sh /
 ---> Using cache
 ---> 0eb7c1c992f1
Step 5 : RUN chmod +x /docker-entrypoint.sh
 ---> Running in 251395c4790f
 ---> 46aa0fbc9637
Removing intermediate container 251395c4790f
Step 6 : ENTRYPOINT /docker-entrypoint.sh
 ---> Running in 7434f052178f
 ---> eca040859bfe
Removing intermediate container 7434f052178f
Successfully built eca040859bfe
standard_init_linux.go:175: exec user process caused "no such file or directory"

Dockerfile：

FROM vault:latest

MAINTAINER Amin Shah Gilani <[e-mail]>

COPY vaultConfig.json /vault/config

COPY ./docker-entrypoint.sh /

RUN chmod +x /docker-entrypoint.sh

ENTRYPOINT ["/docker-entrypoint.sh"]

docker-entrypoint.sh：

#!/bin/bash

echo 'Hello World!'

作品

$ docker build -t gilani/trollo . && docker run gilani/trollo
Sending build context to Docker daemon   126 kB
Step 1 : FROM vault:latest
 ---> 1f127f53f8b5
Step 2 : MAINTAINER Amin Shah Gilani <[e-mail]>
 ---> Using cache
 ---> 86b885ca1c81
Step 3 : COPY vaultConfig.json /vault/config
 ---> Using cache
 ---> 1a2be2fa3acd
Step 4 : ENTRYPOINT echo 'hello world'
 ---> Using cache
 ---> ef5792a1f252
Successfully built ef5792a1f252
'hello world'

Dockerfile：

FROM vault:latest

MAINTAINER Amin Shah Gilani <[e-mail]>

COPY vaultConfig.json /vault/config

ENTRYPOINT ["echo", "'hello world'"]

Answer 1

该vault:latest图像不包含/bin/bash您尝试用shebang调用的图像#!/bin/bash。您应该将其更改为#!/bin/sh脚本，或者将其删除。