How to run my python project on the docker

1. Create dockerfile 

:~/yoon/dockerfile/

 

2. Create requirement.txt

elasticsearch==7.15.0
pandas==1.2.4
prefixspan==0.5.2
numpy==1.21.3
urllib3==1.26.7
mlxtend==0.19.0

 

3. Clone my project 

Local : Edit code → git add . → git commit → git push origin main

$ git add .

$ git commit -m "modified requirement file"
[main 829c970] modified requirement file
 3 files changed, 420 insertions(+), 451 deletions(-)
 
$ git push origin main
Counting objects: 7, done.
Delta compression using up to 12 threads.
Compressing objects: 100% (7/7), done.
Writing objects: 100% (7/7), 1.87 KiB | 1.88 MiB/s, done.
Total 7 (delta 5), reused 0 (delta 0)
remote: Resolving deltas: 100% (5/5), completed with 5 local objects.
To https://github.com/mellamonaranja/PrefixSpan
   2069764..829c970  main -> main

 

Remote server : git pull origin main 

$ git pull origin main
Username for 'https://github.com': mellamonaranja
Password for 'https://mellamonaranja@github.com': 
remote: Enumerating objects: 13, done.
remote: Counting objects: 100% (13/13), done.
remote: Compressing objects: 100% (2/2), done.
remote: Total 7 (delta 5), reused 7 (delta 5), pack-reused 0
Unpacking objects: 100% (7/7), done.
From https://github.com/mellamonaranja/PrefixSpan
 * branch            main       -> FETCH_HEAD
   2069764..829c970  main       -> origin/main
Updating 2069764..829c970
Fast-forward
 FP_Growth_accident/FP_Growth_20210925.ipynb   | 859 ++++++++++++++++++++++++++++-----------------------------
 PrefixSpan_accident/PrefixSpan_20211021.ipynb |   9 -
 requirements.txt                              |   3 +-
 3 files changed, 420 insertions(+), 451 deletions(-)

 

4. create Dockerfile

FROM python:3.9.7 #(Image, any image is ok)

WORKDIR /usr/src #WORKDIR is where I want to run inside the container, same as cd, therefore it means cd /usr/src

COPY ./requirements.txt . #copy [requirements.txt] in my host current directory to WORKDIR

RUN pip install -r requirements.txt #-r is requirement

COPY ./PrefixSpan_accident . #copy [PrefixSpan_accident] in my host current directory to WORKDIR

RUN ls #show me the list

CMD ["PrefixSpan_20211021.py"] 

ENTRYPOINT ["python3"]

- CMD : Command, it can be written multiple times on Dockerfile, however, it executes the last CMD(overrided)

- ENTRYPOINT : It executes no matter run command

reference : https://williamjeong2.github.io/blog/10-docker-run-vs-cmd-vs-entryporint/ 

 

5. docker build

Once I have the Dockerfile saved, I need to run it locally.

$ docker build -t prefixspan:0.1 .
free(): invalid pointer

...

Successfully built 0d0531c4749f
Successfully tagged prefixspan:0.1

-t : Tag, name and optionally a tag in the 'name:tag' format

 

6. docker run

$ docker run -it prefixspan:0.1 PrefixSpan_20211021.py