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dockerfiles/airflow/Dockerfile
Pratik raj b113da5d19 chore: Use --no-cache-dir flag to pip in Dockerfiles, to save space
Using "--no-cache-dir" flag in pip install ,make sure dowloaded packages
by pip don't cached on system . This is a best practise which make sure
to fetch ftom repo instead of using local cached one . Further , in case
of Docker Containers , by restricing caching , we can reduce image size.
In term of stats , it depends upon the number of python packages
multiplied by their respective size . e.g for heavy packages with a lot
of dependencies it reduce a lot by don't caching pip packages.

Further , more detail information can be found at

https://medium.com/sciforce/strategies-of-docker-images-optimization-2ca9cc5719b6

Signed-off-by: Pratik Raj <rajpratik71@gmail.com>
2021-07-02 01:02:49 +05:30

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Docker

#
# Dockerfile for airflow
#
FROM python:3.8-alpine
ENV AIRFLOW_VERSION=1.10.11
ENV AIRFLOW_EXTRAS=async,all_dbs,celery,crypto,devel_hadoop,jdbc,ldap,password,redis,s3,samba,ssh,statsd
ENV AIRFLOW_HOME=/opt/airflow
ENV AIRFLOW_CONFIG=/opt/airflow/airflow.cfg
RUN set -xe \
&& apk add --no-cache \
build-base \
cyrus-sasl-dev \
freetds \
freetds-dev \
krb5-dev \
libffi-dev \
mariadb-dev \
postgresql-dev \
python3-dev \
&& pip install --no-cache-dir cython numpy psycopg2-binary \
&& pip install --no-cache-dir apache-airflow[${AIRFLOW_EXTRAS}]==${AIRFLOW_VERSION} \
&& apk del \
build-base \
cyrus-sasl-dev \
freetds-dev \
krb5-dev \
libffi-dev \
mariadb-dev \
postgresql-dev \
python3-dev \
&& rm -rf /root/.cache/pip
WORKDIR ${AIRFLOW_HOME}
VOLUME ${AIRFLOW_HOME}
EXPOSE 8080
ENTRYPOINT ["airflow"]
CMD ["--help"]