---
Title: 'docker備忘録 #docker #rails'
Keywords:
  - docker
  - rails
Author: junshimo2
Web: 'https://mimemo.io/m/WrRz7l773jlNaA6'
---

# docker備忘録
## Dockerfileの作成
```
# set base OS image
FROM ubuntu:latest

# set Ruby installed Dir
ENV RUBY_DIR /ruby/
ENV RUBY_VERSION 2.6.5
ENV RUBY_INSTALL $RUBY_DIR/$RUBY_VERSION

# install packeges for installing Ruby
RUN apt-get -y update && \
    apt-get -y upgrade && \
    apt-get -y install bzip2 make wget tar git nodejs autoconf bison build-essential libssl-dev libyaml-dev libreadline6-dev zlib1g-dev libncurses5-dev libffi-dev

# install Ruby with ruby-build
RUN mkdir $RUBY_DIR && \
    cd $RUBY_DIR    && \
    git clone https://github.com/sstephenson/ruby-build.git && \
    $RUBY_DIR/ruby-build/install.sh                         && \
    cd $RUBY_DIR/ruby-build && ./bin/ruby-build $RUBY_VERSION $RUBY_INSTALL && \
    rm -rf $RUBY_DIR/ruby-build
ENV PATH $RUBY_INSTALL/bin:$PATH

RUN apt-get -y install libmysqlclient-dev mysql-server libcurl4-openssl-dev
RUN /etc/init.d/mysql start

RUN gem install passenger
RUN passenger-install-nginx-module --auto --prefix=/opt/nginx

RUN gem install mysql2 && gem install bundler -v 2.0.1
RUN apt-get -y install language-pack-ja-base language-pack-ja ibus-mozc
RUN update-locale LANG=ja_JP.UTF-8

RUN apt-get -y install vim
#RUN apt-get remove --purge resolvconf && apt-get -y install --reinstall resolvconf
RUN apt-get -y install ufw
```

## imageの作成
```
docker build -t [username]/[imagename] .
```

## tagの作成
```
docker tag [username]/[imagename]:[old_tagname] [username]/[imagename]:[new_tagname]
```

## コンテナの起動
```
docker run -it -p 10080:80 -p 13000:3000 -p 13306:3306 -v [host_workdir]:[docker_workdir]  --add-host=local_dev:[hostip] --cap-add=NET_ADMIN [container]
```

### コンテナの中断
```
ctrl+p ctrl+q
```

### 中断したコンテナIDの確認
```
docker ps -a
<表示>
CONTAINER ID        IMAGE               COMMAND             CREATED              STATUS                          PORTS               NAMES
95f75a637a45        junshimo2/nagaoka   "/bin/bash"         About a minute ago   Exited (0) About a minute ago                       vigorous_nobel
```
＜コンテナIDを覚えておく＞

### 中断したコンテナに戻る
```
docker attach 95f75a637a45
```

### コンテナの停止
```
exit
```

## コンテナを再起動してアタッチ
```
docker start 95f75a637a45
docker attach 95f75a637a45
```