Cコンパイラ３種をdockerで
https://qiita.com/kaizen_nagoya/items/77184cf005490d7579e6

vscode 苦行は続く

# code a.c
You are trying to start vscode as a super user which is not recommended. If you really want to, you must specify an alternate user data directory using the --user-data-dir argument.

i can't run as root though i specify an alternate user data directory with the --user-data-dir argument #7243
https://github.com/Microsoft/vscode/issues/7243

--user-data-dir incorrect help #41429
https://github.com/Microsoft/vscode/issues/41429

# code a.c --user-data-dir /root
/usr/share/code/bin/../code: error while loading shared libraries: libasound.so.2: cannot open shared object file: No such file or directory

“libasound.so.2: cannot open shared object file: No such file or directory”
https://askubuntu.com/questions/482478/libasound-so-2-cannot-open-shared-object-file-no-such-file-or-directory

下記のようにライブラリ１つ追加。

# code --version
You are trying to start vscode as a super user which is not recommended. If you really want to, you must specify an alternate user data directory using the --user-data-dir argument.
# code a.c --user-data-dir=/root
/usr/share/code/bin/../code: error while loading shared libraries: libasound.so.2: cannot open shared object file: No such file or directory
# apt search libsound
Sorting... Done
Full Text Search... Done
libsoundio-dbg/stable 1.0.2-1+b1 amd64
  debugging symbols for libsoundio

libsoundio-dev/stable 1.0.2-1+b1 amd64
  cross platform audio input and output library (development files)

libsoundio1/stable 1.0.2-1+b1 amd64
  cross-platform audio input and output library

libsoundtouch-dev/stable 1.9.2-2+deb9u1 amd64
  Development files for the sound stretching library

libsoundtouch-ocaml/stable 0.1.7-1+b4 amd64
  OCaml bindings for the sound stretching library -- runtime files

libsoundtouch-ocaml-dev/stable 0.1.7-1+b4 amd64
  OCaml bindings for the sound stretching library -- runtime files

libsoundtouch1/stable 1.9.2-2+deb9u1 amd64
  Sound stretching library

libsoundtouch1-dbg/stable 1.9.2-2+deb9u1 amd64
  Debugging symbols for the sound stretching library

root@31acc5c44966:/home/root# apt search libsoundio1
Sorting... Done
Full Text Search... Done
libsoundio1/stable 1.0.2-1+b1 amd64
  cross-platform audio input and output library

root@31acc5c44966:/home/root# apt install libsoundio1

苦行は続く。

$ docker ps
CONTAINER ID        IMAGE               COMMAND             CREATED             STATUS              PORTS               NAMES
31acc5c44966        kaizenjapan/cc2     "/bin/bash"         13 hours ago        Up 13 hours                             modest_jackson

$ docker commit 31acc5c44966 kaizenjapan/cc3
sha256:a50dc31ad23fcb73105eac6bd30903517905025af7640f02f261589beb30759c

$ docker push kaizenjapan/cc3
The push refers to repository [docker.io/kaizenjapan/cc3]
189133cb5859: Preparing 
03c403a68abc: Preparing 
67479158abb8: Preparing 
abfd81232d1e: Preparing 
eac885ac1d3b: Preparing 
08e7e0bcc587: Waiting 
0fe19df8b8f8: Waiting 
b17cc31e431b: Waiting 
12cb127eee44: Waiting 
604829a174eb: Waiting 
fbb641a8b943: Waiting 
denied: requested access to the resource is denied

cc3ではなくcc4でも同じ。

#参考資料(reference)
docker gcc upgrade error
https://qiita.com/kaizen_nagoya/items/d2d424318b711aef4af5

Couldn't mount the binfmt_misc filesystem
https://qiita.com/kaizen_nagoya/items/da5b0989803b09cac369

docker: error pulling image configuration: Get
https://qiita.com/kaizen_nagoya/items/1350d5a7144706d0bd81

docker rmiのための順番
https://qiita.com/kaizen_nagoya/items/0bc05d08cf18af4a8801