Trying to build simple python docker container

Question

Im trying to make a docker container run this python script I made. Every time I run the container, I get an error of it not being able to find the script even though it is in that listed directory. python: can't open file '/home/johnb/manual_into_ckl.py': [Errno 2] No such file or directory

Dockerfile

FROM python:3.10
ADD manual_into_ckl.py .
WORKDIR /home/johnb
RUN pip install pandas 
CMD [ "python", "manual_into_ckl.py"]

Very new to this, not sure what else to do. Thanks

Changed the workdir, changed permissions, all still the same error.

You need to set the WORKDIR before you ADD (or COPY) a file into ., the current directory. — David Maze
– David Maze, Commented Nov 3, 2022 at 15:48

jkr · Accepted Answer · 2022-11-03 15:49:29Z

1

As @DavidMaze commented, you need to set the working directory before copying the file. I also suggest using COPY instead of ADD (it is preferred).

FROM python:3.10
WORKDIR /home/johnb
RUN pip install pandas
COPY manual_into_ckl.py .
CMD [ "python", "manual_into_ckl.py"]

answered Nov 3, 2022 at 15:49

jkr

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