[英]Mount external files into Docker container
I have a prediction application with the below folder structure: 我有一个具有以下文件夹结构的预测应用程序:
Docker
├── dataset
│ └── fastText
│ └── crawl-300d-2M.vec
├── Dockerfile
├── encoder
│ └── sentencoder2.pkl
├── pyt_models
│ └── actit1.pt
├── requirements.txt
└── src
├── action_items_api.py
├── infer_predict.py
├── model.py
├── models.py
└── sent_enc.py
Dockerfile: Dockerfile:
FROM python:3.6
EXPOSE 80
# copy and install packages for flask
COPY /requirements.txt /tmp/
RUN cd /tmp && \
pip3 install --no-cache-dir -r ./requirements.txt
WORKDIR /Docker
COPY src src
CMD gunicorn -b 0.0.0.0:80 --chdir src action_items_api:app
In the Docker file I try only to copy the src folder where all the Python files are placed. 在Docker文件中,我只尝试复制放置所有Python文件的src文件夹。 I want to keep the fastTest, ecnode, pyt_models to be accessed outside the container. 我想让fastTest,ecnode,pyt_models可以在容器外部访问。
When I tried: 当我尝试:
docker run -p8080:80 -v /encoder/:/encoder/;/pyt_models/:/pyt_models/;/dataset/:/dataset/ -it actit_mount:latest
But by doing this my code gives me FileNotFoundError
No such file or directory: 'encoder/sentencoder2.pkl'
但是通过这样做,我的代码给了我FileNotFoundError
No such file or directory: 'encoder/sentencoder2.pkl'
But by keeping the same folder structure if I run from the docker folder: gunicorn --chdir src --bind 0.0.0.0:80 action_items_api:app
It works. 但是,如果我从gunicorn --chdir src --bind 0.0.0.0:80 action_items_api:app
文件夹运行,则保持相同的文件夹结构: gunicorn --chdir src --bind 0.0.0.0:80 action_items_api:app
它起作用。
What is wrong with the Dockerfile or the docker run
? Dockerfile或docker docker run
什么问题?
Because you set WORKDIR /Docker
, the gunicorn process will have its working directory set to /Docker
. 因为您将WORKDIR /Docker
设置为WORKDIR /Docker
,所以gunicorn进程的工作目录将设置为/Docker
。 Which implies that relative file paths in your python app will be resolved from /Docker
. 这意味着您的python应用程序中的相对文件路径将从/Docker
解析。
Give a try to 试试看
docker run -p8080:80 \
-v $(pwd)/encoder/:/Docker/encoder/ \
-v $(pwd)/pyt_models/:/Docker/pyt_models/ \
-v $(pwd)/dataset/:/Docker/dataset/ \
-it actit_mount:latest
docker: Error response from daemon: create ./folder: "./folder" includes invalid characters for a local volume name, only "[a-zA-Z0-9][a-zA-Z0-9_.-]" are allowed. docker:来自守护程序的错误响应:create ./folder:“./folder”包含本地卷名的无效字符,只有“ [a-zA-Z0-9] [a-zA-Z0-9 _.-]”允许的。 If you intended to pass a host directory, use absolute path. 如果要传递主机目录,请使用绝对路径。
Here is an example: 这是一个例子:
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