Kubernetes Docker Storage

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/var/lib/docker
├── aufs
├── containers
├── image
├── volumes

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FROM ubuntu

RUN apt-get update && apt-get -y install python

RUN pip install flask flask-mysql

COPY . /opt/source-code

ENTRYPOINT FLASK_APP=/opt/source-code/app.py flask run

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docker build -t Dockerfile cozyfex/my-custom-app

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FROM ubuntu

RUN apt-get update && apt-get -y install python

RUN pip install flask flask-mysql

COPY app2.py /opt/source-code

ENTRYPOINT FLASK_APP=/opt/source-code/app2.py flask run

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docker build -t Dockerfile cozyfex/my-custom-app2

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docker build -t Dockerfile cozyfex/my-custom-app

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docker run cozyfex/my-custom-app

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docker volume create data_volume

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/var/lib/docker
├── aufs
├── containers
├── image
├── volumes
│   ├── data_volume

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docker run -v data_volume:/var/lib/mysql mysql

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docker run -v /data/mysql:/var/lib/mysql mysql

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docker run --mount type=bind,source=/data/mysql,target=/var/lib/mysql mysql

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docker run -it \
  --name mysql
  --volume-driver rexray/ebs
  --mount src=ebs-vol,target=/var/lib/mysql
  mysql