Small docker container images based on Linux Alpine for Python | Django | Mysql

gistfile1.txt

############################################################
# Dockerfile to build Python | Django | Mysql small container images
# Based on Linux Alpine
############################################################

# Set the base image
FROM alpine

# set work directory
WORKDIR /usr/src/app

# set environment variables
ENV PYTHONDONTWRITEBYTECODE 1
ENV PYTHONUNBUFFERED 1

################## BEGIN INSTALLATION ######################
# Add the packages
RUN apk update \
    && apk add --no-cache --virtual .build-deps gcc linux-headers musl-dev mariadb-dev zlib \
     python3-dev openssl-dev

# install dependencies
RUN pip install --upgrade pip
COPY ./requirements.txt .
RUN pip install -r requirements.txt

# Clean up disk space
RUN apk del gcc python3-dev musl-dev jpeg-dev zlib-dev linux-headers
RUN rm -Rf ~/.cache
##################### INSTALLATION END #####################

# copy project
COPY . .

### Reduce the image size
##  Run : docker export <CONTAINER ID> | docker import - some-image-name:latest