golang后端项目报错定位与解决

[TOC]

# 问题简介
## 后端项目在编译阶段报错
![title](/api/file/getImage?fileId=6476bd5e40c007000b00006f)

关键字 `build constraints exclude all Go files in`

## 编译阶段报错原因
参考：https://stackoverflow.com/questions/55348458/build-constraints-exclude-all-go-files-in

发现是 CGO-ENABLED没开，默认CGO_ENABLED=0，当设置为1时，即为打开，打开后编译打包成功
这个项目有用到C相关的

## 镜像打好了，pod报错 no such file or directory
用的镜像是alpine，报错 `standard_init_linux.go:211: exec user process caused "no such file or directory"`

## pod报错原因
参考：https://stackoverflow.com/questions/51508150/standard-init-linux-go190-exec-user-process-caused-no-such-file-or-directory

这篇文档写的原因有多种，根本的原因是缺少glibc库

用了带glibc库的alpine镜像后，可以了
也可以用dockerhub上的centos7和debian11，都没问题，只是比alpine镜像要大很多。

## alpine glibc包 反推Dockerfile
参考：https://www.cnblogs.com/gaohongyu/p/16908263.html
原始镜像：https://hub.docker.com/r/frolvlad/alpine-glibc

```
$ docker history --format {{.CreatedBy}} --no-trunc=true sanger/alpine-glibc:2.33-r0|sed "s?/bin/sh\ -c\ \#(nop)\ ??g"|sed "s?/bin/sh\ -c??g" | tac
ADD file:aad4290d27580cc1a094ffaf98c3ca2fc5d699fe695dfb8e6e9fac20f1129450 in / 
 CMD ["/bin/sh"]
ENV LANG=C.UTF-8
RUN  ALPINE_GLIBC_BASE_URL="https://github.com/sgerrand/alpine-pkg-glibc/releases/download" &&     ALPINE_GLIBC_PACKAGE_VERSION="2.33-r0" &&     ALPINE_GLIBC_BASE_PACKAGE_FILENAME="glibc-$ALPINE_GLIBC_PACKAGE_VERSION.apk" &&     ALPINE_GLIBC_BIN_PACKAGE_FILENAME="glibc-bin-$ALPINE_GLIBC_PACKAGE_VERSION.apk" &&     ALPINE_GLIBC_I18N_PACKAGE_FILENAME="glibc-i18n-$ALPINE_GLIBC_PACKAGE_VERSION.apk" &&     apk add --no-cache --virtual=.build-dependencies wget ca-certificates &&     echo         "-----BEGIN PUBLIC KEY-----        MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEApZ2u1KJKUu/fW4A25y9m        y70AGEa/J3Wi5ibNVGNn1gT1r0VfgeWd0pUybS4UmcHdiNzxJPgoWQhV2SSW1JYu        tOqKZF5QSN6X937PTUpNBjUvLtTQ1ve1fp39uf/lEXPpFpOPL88LKnDBgbh7wkCp        m2KzLVGChf83MS0ShL6G9EQIAUxLm99VpgRjwqTQ/KfzGtpke1wqws4au0Ab4qPY        KXvMLSPLUp7cfulWvhmZSegr5AdhNw5KNizPqCJT8ZrGvgHypXyiFvvAH5YRtSsc        Zvo9GI2e2MaZyo9/lvb+LbLEJZKEQckqRj4P26gmASrZEPStwc+yqy1ShHLA0j6m        1QIDAQAB        -----END PUBLIC KEY-----" | sed 's/   */\n/g' > "/etc/apk/keys/sgerrand.rsa.pub" &&     wget         "$ALPINE_GLIBC_BASE_URL/$ALPINE_GLIBC_PACKAGE_VERSION/$ALPINE_GLIBC_BASE_PACKAGE_FILENAME"         "$ALPINE_GLIBC_BASE_URL/$ALPINE_GLIBC_PACKAGE_VERSION/$ALPINE_GLIBC_BIN_PACKAGE_FILENAME"         "$ALPINE_GLIBC_BASE_URL/$ALPINE_GLIBC_PACKAGE_VERSION/$ALPINE_GLIBC_I18N_PACKAGE_FILENAME" &&     apk add --no-cache         "$ALPINE_GLIBC_BASE_PACKAGE_FILENAME"         "$ALPINE_GLIBC_BIN_PACKAGE_FILENAME"         "$ALPINE_GLIBC_I18N_PACKAGE_FILENAME" &&         rm "/etc/apk/keys/sgerrand.rsa.pub" &&     /usr/glibc-compat/bin/localedef --force --inputfile POSIX --charmap UTF-8 "$LANG" || true &&     echo "export LANG=$LANG" > /etc/profile.d/locale.sh &&         apk del glibc-i18n &&         rm "/root/.wget-hsts" &&     apk del .build-dependencies &&     rm         "$ALPINE_GLIBC_BASE_PACKAGE_FILENAME"         "$ALPINE_GLIBC_BIN_PACKAGE_FILENAME"         "$ALPINE_GLIBC_I18N_PACKAGE_FILENAME" # buildkit
RUN  apk add --no-cache curl bash # buildkit
RUN  apk add tzdata && cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime     && echo "Asia/Shanghai" > /etc/timezone     && apk del tzdata # buildkit
CMD ["/bin/sh"]

```

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