примерен файл dockerfile
FROM ubuntu:18.04
COPY . /app
RUN make /app
CMD python /app/app.py
докер ще изчистите кеш
# Rebuild the image
docker build --no-cache
# Pull the base images again and rebuild
docker build --no-cache --pull
# Also works with docker-compose
docker-compose build --no-cache
# If nothing from the above works for you, you could also prune everything
docker system to prune
dockerfile стартиране на приложение cmd
RUN apt-get install python3
CMD echo "Hello world"
ENTRYPOINT echo "Hello world"