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Docker commitコマンドでイメージを作成します。
◆環境| OS | Windows 10 Home 22H2 64bit |
|---|---|
| Docker | 27.4.0 build bde2b89 |
ubuntuのコンテナを起動しbashに接続します。
> docker run -it ubuntu:20.04 bash
root@e92fd8a64646:/#
root@e92fd8a64646:/#
ubuntuを更新します。
root@e92fd8a64646:/# apt update
Get:1 http://security.ubuntu.com/ubuntu focal-security InRelease [128
kB]
Get:2 http://archive.ubuntu.com/ubuntu focal InRelease [265 kB]
:
略
:
Fetched 35.6 MB in 44s (809 kB/s)
Reading package lists... Done
Building dependency tree
Reading state information... Done
5 packages can be upgraded. Run 'apt list --upgradable' to see them.
Get:1 http://security.ubuntu.com/ubuntu focal-security InRelease [128
kB]Get:2 http://archive.ubuntu.com/ubuntu focal InRelease [265 kB]
:
略
:
Fetched 35.6 MB in 44s (809 kB/s)
Reading package lists... Done
Building dependency tree
Reading state information... Done
5 packages can be upgraded. Run 'apt list --upgradable' to see them.
rustをインストールします。
root@e92fd8a64646:/# curl --proto '=https' --tlsv1.2 -sSf https://sh.
rustup.rs | sh
bash: curl: command not found
rustup.rs | shbash: curl: command not found
curlコマンドがないというエラーがでたのでcurlをインストールします。
root@e92fd8a64646:/# apt install curl
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following additional packages will be installed:
ca-certificates krb5-locales libasn1-8-heimdal libbrotli1 libcurl4
libgssapi-krb5-2 libgssapi3-heimdal
:
略
:
publicsuffix
0 upgraded, 32 newly installed, 0 to remove and 5 not upgraded.
Need to get 5468 kB of archives.
After this operation, 16.8 MB of additional disk space will be used.
Do you want to continue? [Y/n]
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following additional packages will be installed:
ca-certificates krb5-locales libasn1-8-heimdal libbrotli1 libcurl4
libgssapi-krb5-2 libgssapi3-heimdal:
略
:
publicsuffix
0 upgraded, 32 newly installed, 0 to remove and 5 not upgraded.
Need to get 5468 kB of archives.
After this operation, 16.8 MB of additional disk space will be used.
Do you want to continue? [Y/n]
Enterを押します。
Get:1 http://archive.ubuntu.com/ubuntu focal-updates/main amd64 libss
l1.1 amd64 1.1.1f-1ubuntu2.24 [1323 kB]
:
略
:
Processing triggers for ca-certificates (20240203~20.04.1) ...
Updating certificates in /etc/ssl/certs...
0 added, 0 removed; done.
Running hooks in /etc/ca-certificates/update.d...
done.
l1.1 amd64 1.1.1f-1ubuntu2.24 [1323 kB]:
略
:
Processing triggers for ca-certificates (20240203~20.04.1) ...
Updating certificates in /etc/ssl/certs...
0 added, 0 removed; done.
Running hooks in /etc/ca-certificates/update.d...
done.
再度rustのインストールを試みます。
root@e92fd8a64646:/# curl --proto '=https' --tlsv1.2 -sSf https://sh.
rustup.rs | sh
info: downloading installer
Welcome to Rust!
This will download and install the official compiler for the Rust
programming language, and its package manager, Cargo.
Rustup metadata and toolchains will be installed into the Rustup
home directory, located at:
/root/.rustup
This can be modified with the RUSTUP_HOME environment variable.
The Cargo home directory is located at:
/root/.cargo
This can be modified with the CARGO_HOME environment variable.
The cargo, rustc, rustup and other commands will be added to
Cargo's bin directory, located at:
/root/.cargo/bin
This path will then be added to your PATH environment variable by
modifying the profile files located at:
/root/.profile
/root/.bashrc
You can uninstall at any time with rustup self uninstall and
these changes will be reverted.
Current installation options:
default host triple: x86_64-unknown-linux-gnu
default toolchain: stable (default)
profile: default
modify PATH variable: yes
1) Proceed with standard installation (default - just press enter)
2) Customize installation
3) Cancel installation
>
rustup.rs | shinfo: downloading installer
Welcome to Rust!
This will download and install the official compiler for the Rust
programming language, and its package manager, Cargo.
Rustup metadata and toolchains will be installed into the Rustup
home directory, located at:
/root/.rustup
This can be modified with the RUSTUP_HOME environment variable.
The Cargo home directory is located at:
/root/.cargo
This can be modified with the CARGO_HOME environment variable.
The cargo, rustc, rustup and other commands will be added to
Cargo's bin directory, located at:
/root/.cargo/bin
This path will then be added to your PATH environment variable by
modifying the profile files located at:
/root/.profile
/root/.bashrc
You can uninstall at any time with rustup self uninstall and
these changes will be reverted.
Current installation options:
default host triple: x86_64-unknown-linux-gnu
default toolchain: stable (default)
profile: default
modify PATH variable: yes
1) Proceed with standard installation (default - just press enter)
2) Customize installation
3) Cancel installation
>
1を入力しEnterを押します。
info: profile set to 'default'
info: default host triple is x86_64-unknown-linux-gnu
info: syncing channel updates for 'stable-x86_64-unknown-linux-gnu'
:
略
:
info: default toolchain set to 'stable-x86_64-unknown-linux-gnu'
stable-x86_64-unknown-linux-gnu installed - rustc 1.87.0 (17067e9ac
2025-05-09)
Rust is installed now. Great!
To get started you may need to restart your current shell.
This would reload your PATH environment variable to include
Cargo's bin directory ($HOME/.cargo/bin).
To configure your current shell, you need to source
the corresponding env file under $HOME/.cargo.
This is usually done by running one of the following (note the leadin
g DOT):
. "$HOME/.cargo/env" # For sh/bash/zsh/ash/dash/pdksh
source "$HOME/.cargo/env.fish" # For fish
source $"($nu.home-path)/.cargo/env.nu" # For nushell
info: default host triple is x86_64-unknown-linux-gnu
info: syncing channel updates for 'stable-x86_64-unknown-linux-gnu'
:
略
:
info: default toolchain set to 'stable-x86_64-unknown-linux-gnu'
stable-x86_64-unknown-linux-gnu installed - rustc 1.87.0 (17067e9ac
2025-05-09)Rust is installed now. Great!
To get started you may need to restart your current shell.
This would reload your PATH environment variable to include
Cargo's bin directory ($HOME/.cargo/bin).
To configure your current shell, you need to source
the corresponding env file under $HOME/.cargo.
This is usually done by running one of the following (note the leadin
g DOT):. "$HOME/.cargo/env" # For sh/bash/zsh/ash/dash/pdksh
source "$HOME/.cargo/env.fish" # For fish
source $"($nu.home-path)/.cargo/env.nu" # For nushell
rustのバージョンを確認します。
root@e92fd8a64646:/# cargo --version
bash: cargo: command not found
bash: cargo: command not found
rustをインストールしたときの最後にPATHにcargoを追加するようメッセージが出ていました。 そのコマンドを実行してみます。
root@e92fd8a64646:/# . "$HOME/.cargo/env"
root@e92fd8a64646:/# source "$HOME/.cargo/env.fish"
bash: /root/.cargo/env.fish: No such file or directory
root@e92fd8a64646:/# source "$HOME/.cargo/env.fish"
bash: /root/.cargo/env.fish: No such file or directory
/root/.cargo/env.fishというファイルが存在しないようです。 envを指定します。
root@e92fd8a64646:/# source "$HOME/.cargo/env"
もう一度rustのバージョンを確認します。
root@e92fd8a64646:/# cargo --version
cargo 1.87.0 (99624be96 2025-05-06)
cargo 1.87.0 (99624be96 2025-05-06)
コンテナを抜けます。
root@e92fd8a64646:/# exit
dockerの起動状態を確認します。
> docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAME
S
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAME
S-aを付けると停止しているコンテナも表示されます。
> docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS
PORTS NAMES
e92fd8a64646 ubuntu:20.04 "bash" 2 hours ago Exited (0) 10 s
econds ago silly_curran
CONTAINER ID IMAGE COMMAND CREATED STATUS
PORTS NAMESe92fd8a64646 ubuntu:20.04 "bash" 2 hours ago Exited (0) 10 s
econds ago silly_curranrustをインストールしたコンテナからイメージを作ります。
イメージ名は「my-rust」とし、TAGに「commit」を記載します。
> docker commit e92 my-rust:commit
sha256:7a44be3ea4030dbc8921052f99be162da7c3572e04fdb971858904ec5bbe33
63
sha256:7a44be3ea4030dbc8921052f99be162da7c3572e04fdb971858904ec5bbe33
63イメージを確認するとmy-rustでTAGがcommitというイメージができていました。
> docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
my-rust commit 7a44be3ea403 3 minutes ago 1.91GB
REPOSITORY TAG IMAGE ID CREATED SIZE
my-rust commit 7a44be3ea403 3 minutes ago 1.91GB
bashで接続してみます。
> docker run -it my-rust:commit bash
root@4ae411235b70:/# cargo --version
cargo 1.87.0 (99624be96 2025-05-06)
root@4ae411235b70:/# exit
root@4ae411235b70:/# cargo --version
cargo 1.87.0 (99624be96 2025-05-06)
root@4ae411235b70:/# exit
イメージを作成することはできました。
ただ、docker commitだと環境構築の手順がわからなくなるようなのでおすすめしないようです。
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