dockerfile创建镜像1

vim Dockerfile

FROM alpine:latest
MAINTAINER brady
CMD echo "hello world"

进行构建

docker build -t hello_docker .

[root@localhost dnmp_test]# ls
[root@localhost dnmp_test]# vim Dockerfile
[root@localhost dnmp_test]# docker build -t hello_docker .
Sending build context to Docker daemon 2.048 kB
Step / : FROM alpine:latest
Trying to pull repository docker.io/library/alpine ...
latest: Pulling from docker.io/library/alpine
9d48c3bd43c5: Pull complete
Digest: sha256:72c42ed48c3a2db31b7dafe17d275b634664a708d901ec9fd57b1529280f01fb
Status: Downloaded newer image for docker.io/alpine:latest
 --->
Step / : MAINTAINER brady

▽
 ---> Running in f1802f56a693
 ---> 00cdf7104f8b
Removing intermediate container f1802f56a693
Step / : CMD echo "hello world"
 ---> Running in e7b7a18d8c32
 ---> baa4664fe58d
Removing intermediate container e7b7a18d8c32
Successfully built baa4664fe58d
[root@localhost dnmp_test]# docker images
REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE
hello_docker        latest              baa4664fe58d         seconds ago       5.58 MB
nginx-fun           latest              6ea0e8bb024d         minutes ago        MB
docker.io/nginx     latest              ab56bba91343         days ago           MB
docker.io/alpine    latest                       weeks ago         5.58 MB
[root@localhost dnmp_test]# docker run hello_docker
hello world

推送到远程

[root@localhost docker]# ls
Dockerfile
[root@localhost docker]# docker images
REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE
hello_docker        latest              c4ea4dd5f8f9        2 minutes ago       5.59MB
alpine              latest              e7d92cdc71fe        5 weeks ago         5.59MB
[root@localhost docker]# docker commit -a brady -m "hello docker" c4ea4dd5f8f9 yeves/hello_docker
Error response from daemon: No such container: c4ea4dd5f8f9
[root@localhost docker]# docker ps
CONTAINER ID        IMAGE               COMMAND             CREATED             STATUS              PORTS               NAMES
[root@localhost docker]# docker ps -a
CONTAINER ID        IMAGE               COMMAND                   CREATED             STATUS                     PORTS               NAMES
59d586c17da1        hello_docker        "/bin/sh -c 'echo \"h…"   2 minutes ago       Exited (0) 2 minutes ago                       musing_shamir
9b8fe3409f62        hello_docker        "/bin/sh -c 'echo \"h…"   2 minutes ago       Exited (0) 2 minutes ago                       festive_nightingale
[root@localhost docker]# docker commit -a brady -m "hello docker" 59d586c17da1  yeves/hello_docker
sha256:315c59b50d02e0617d9249300f0f2f54fb929d4dcda124e71a07c87864455bcc
[root@localhost docker]# docker images
REPOSITORY           TAG                 IMAGE ID            CREATED             SIZE
yeves/hello_docker   latest              315c59b50d02        6 seconds ago       5.59MB
hello_docker         latest              c4ea4dd5f8f9        3 minutes ago       5.59MB
alpine               latest              e7d92cdc71fe        5 weeks ago         5.59MB
[root@localhost docker]# docker login
Login with your Docker ID to push and pull images from Docker Hub. If you don't have a Docker ID, head over to https://hub.docker.com to create one.
Username: yeves
Password:
WARNING! Your password will be stored unencrypted in /root/.docker/config.json.
Configure a credential helper to remove this warning. See
https://docs.docker.com/engine/reference/commandline/login/#credentials-store

Login Succeeded
[root@localhost docker]# docker images
REPOSITORY           TAG                 IMAGE ID            CREATED             SIZE
yeves/hello_docker   latest              315c59b50d02        49 seconds ago      5.59MB
hello_docker         latest              c4ea4dd5f8f9        4 minutes ago       5.59MB
alpine               latest              e7d92cdc71fe        5 weeks ago         5.59MB
[root@localhost docker]# docker tag 315c59b50d02 yeves/hellow_docker:v1.0
[root@localhost docker]# docker images
REPOSITORY            TAG                 IMAGE ID            CREATED              SIZE
yeves/hello_docker    latest              315c59b50d02        About a minute ago   5.59MB
yeves/hellow_docker   v1.0                315c59b50d02        About a minute ago   5.59MB
hello_docker          latest              c4ea4dd5f8f9        4 minutes ago        5.59MB
alpine                latest              e7d92cdc71fe        5 weeks ago          5.59MB
[root@localhost docker]# docker push yeves/hello_docker:v1.0
The push refers to repository [docker.io/yeves/hello_docker]
tag does not exist: yeves/hello_docker:v1.0
[root@localhost docker]#