vim Dockerfile
FROM alpine:latest
MAINTAINER brady
CMD echo "hello world"
进行构建
docker build -t hello_docker .
[[email protected] dnmp_test]# ls [[email protected] dnmp_test]# vim Dockerfile [[email protected] dnmp_test]# docker build -t hello_docker . Sending build context to Docker daemon 2.048 kB Step 1/3 : 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 ---> 961769676411 Step 2/3 : MAINTAINER brady ▽ ---> Running in f1802f56a693 ---> 00cdf7104f8b Removing intermediate container f1802f56a693 Step 3/3 : CMD echo "hello world" ---> Running in e7b7a18d8c32 ---> baa4664fe58d Removing intermediate container e7b7a18d8c32 Successfully built baa4664fe58d [[email protected] dnmp_test]# docker images REPOSITORY TAG IMAGE ID CREATED SIZE hello_docker latest baa4664fe58d 6 seconds ago 5.58 MB nginx-fun latest 6ea0e8bb024d 7 minutes ago 126 MB docker.io/nginx latest ab56bba91343 8 days ago 126 MB docker.io/alpine latest 961769676411 4 weeks ago 5.58 MB [[email protected] dnmp_test]# docker run hello_docker hello world