实战：一键构建-推送镜像-2023.1.8(测试成功)

实验环境

docker 20.10.21
go version go1.19

实验软件

2023.1.8-docker构建镜像测试

1、前提条件

go环境和docker环境已经具备。

2、当前项目环境

Dockerfile内容：

build文件内容：

3、开始构建

下载代码

[root@docker ~]#mkdir admission-webhook && cd admission-webhook
[root@docker admission-webhook]#git clone https://github.com/cnych/admission-webhook-example.git
Cloning into 'admission-webhook-example'...
remote: Enumerating objects: 170, done.
remote: Counting objects: 100% (11/11), done.
remote: Compressing objects: 100% (10/10), done.
remote: Total 170 (delta 1), reused 5 (delta 1), pack-reused 159
Receiving objects: 100% (170/170), 229.27 KiB | 0 bytes/s, done.
Resolving deltas: 100% (88/88), done.
[root@docker admission-webhook]#cd admission-webhook-example/
[root@docker admission-webhook-example]#git checkout train4
Branch train4 set up to track remote branch train4 from origin.
Switched to a new branch 'train4'

开始构建

可以看到，有报错：

[root@docker admission-webhook-example]#export DOCKER_USER=onlyonexl
[root@docker admission-webhook-example]#./build
go: k8s.io/api@v0.25.4 requires
        github.com/stretchr/testify@v1.8.0: missing go.sum entry; to add it:
        go mod download github.com/stretchr/testify
Sending build context to Docker daemon  348.2kB
Step 1/3 : FROM alpine:latest
latest: Pulling from library/alpine
59bf1c3509f3: Already exists
Digest: sha256:21a3deaa0d32a8057914f36584b5288d2e5ecc984380bc0118285c70fa8c9300
Status: Downloaded newer image for alpine:latest
 ---> c059bfaa849c
Step 2/3 : ADD admission-webhook-example /admission-webhook-example
ADD failed: file not found in build context or excluded by .dockerignore: stat admission-webhook-example: file does not exist
The push refers to repository [docker.io/onlyonexl/admission-webhook-example]
An image does not exist locally with the tag: onlyonexl/admission-webhook-example