Data only in Docker image

data.docker.md

Creating a data-only Docker image

echo "Hello, world" > data.txt

{ cat <<'eof'
from scratch
workdir /data
copy data.txt .
eof
} | docker image build -t data -f - .

docker container create --volume data:/data data : |
  xargs docker container rm

docker container run --volume data:/data --rm ubuntu cat /data/data.txt

docker volume rm data

rm -f data.txt

data.multi-stage.md

Using a multi-stage build

{ cat <<'eof'
FROM ubuntu:22.04 as data
ARG DEBIAN_FRONTEND=noninteractive
RUN apt-get update && apt-get install -y curl
WORKDIR /data
RUN curl -L -s -o titanic.csv 'https://ddc-datascience.s3.amazonaws.com/Projects/Example/Data/Titanic.train.csv'
RUN curl -L -s -o a-z.01-1k.tsv 'https://ddc-datascience.s3.amazonaws.com/a-z.business/2023-08-21/01.1k.txt'
RUN curl -L -s -o a-z.combined.tsv 'https://ddc-datascience.s3.amazonaws.com/a-z.business/2023-08-21/combined.txt'

from scratch
copy --from=data /data /data
eof
} | docker image build -t data -f - .

docker container create --volume data:/data data : |
  xargs docker container rm

docker container run --volume data:/data --rm ubuntu ls -la /data/

docker volume rm data