我有以下 Dockerfile
FROM docker.io/bitnami/jasperreports:7-debian-10
COPY custom-entrypoint.sh /app-entrypoint.sh
RUN chmod +x /app-entrypoint.sh
我正在尝试构建一个像这样的新图像
docker build -t registry/jasperserver:latest .
我遇到了这个错误
=> ERROR [3/7] RUN chmod +x /app-entrypoint.sh 0.4s
------
> [3/7] RUN chmod +x /app-entrypoint.sh:
#8 0.380 chmod: changing permissions of '/app-entrypoint.sh': Operation not permitted
------
executor failed running [/bin/sh -c chmod +x /app-entrypoint.sh]: exit code: 1
为什么我不能更改/app-entrypoint.sh 的权限?
编辑:
这是输出 docker info yields
Client:
Context: default
Debug Mode: false
Plugins:
buildx: Build with BuildKit (Docker Inc., v0.6.1-docker)
compose: Docker Compose (Docker Inc., v2.0.0-rc.3)
scan: Docker Scan (Docker Inc., v0.8.0)
Server:
Server Version: 20.10.8
Storage Driver: overlay2
Backing Filesystem: extfs
Supports d_type: true
Native Overlay Diff: true
userxattr: false
Plugins:
Volume: local
Network: bridge host ipvlan macvlan null overlay
Log: awslogs fluentd gcplogs gelf journald json-file local io.containerd.runc.v2
Default Runtime: runc
Init Binary: docker-init
containerd version: e25210fe30a0a703442421b0f60afac609f950a3
runc version: v1.0.1-0-g4144b63
init version: de40ad0
Security Options:
seccomp
Profile: default
Kernel Version: 5.10.60.1-microsoft-standard-WSL2
Operating System: Docker Desktop
OSType: linux
Architecture: x86_64
CPUs: 8
Total Memory: 15.63GiB
Name: docker-desktop
ID: 6IIP:AJPF:HJJU:4J2X:MWJM:YIUH:ZXLZ:XHG5:E7SZ:RYKB:HBSR:RMMU
Docker Root Dir: /var/lib/docker
Debug Mode: false
Registry: https://index.docker.io/v1/
最佳答案
COPY
步骤将在普通用户无法访问的/
目录中创建uid/gid 为0:0 (root:root) 的文件。并且所选的基本镜像配置为以 uid 1001 运行。可能最简单的方法是暂时切换回 root 以运行该步骤。
FROM docker.io/bitnami/jasperreports:7-debian-10
USER root
COPY custom-entrypoint.sh /app-entrypoint.sh
USER 1001
RUN chmod +x /app-entrypoint.sh
或者,您可以将脚本复制到一个目录,用户可以在该目录中访问并对文件拥有正确的所有权。在不拉取图像的情况下,我怀疑 /opt/bitnami/scripts
可能具有不同的权限:
FROM docker.io/bitnami/jasperreports:7-debian-10
COPY --chown=1001 custom-entrypoint.sh /opt/bitnami/scripts/app-entrypoint.sh
RUN chmod +x /opt/bitnami/scripts/app-entrypoint.sh
关于docker - 无法更改 Dockerfile 中 'RUN chmod +x/app-entrypoint.sh' 的权限,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/70400100/