container_linux.go:349: starting container process caused exec: flask: executable file not found in $PATH

Question

I am getting error in docker:

$ docker-compose -f docker-compose.yml up -d
Removing policyclassification_web_1
Recreating 9c6607f3968d_policyclassification_web_1 ... error

ERROR: for 9c6607f3968d_policyclassification_web_1  Cannot start service web: OCI runtime create failed: container_linux.go:349: starting container process caused "exec: \"flask\": executable file not found in $PATH": unknown

ERROR: for web  Cannot start service web: OCI runtime create failed: container_linux.go:349: starting container process caused "exec: \"flask\": executable file not found in $PATH": unknown
Encountered errors while bringing up the project.

My dockerfile:

Docker-compose.yml:

version: '3.6'
services:
  web:
    build: .
    ports:
      - "5122:5122"

Requirement.txt:

Cython==0.29.17 Flask==0.0.1 Flask-Cors==3.0.8 boto==2.49.0 boto3==1.10.7 botocore==1.13.7 certifi==2019.9.11 chardet==3.0.4 cycler==0.10.0 docutils==0.15.2 gensim==3.8.1 idna==2.8 jmespath==0.9.4 joblib==0.14.0 kiwisolver==1.1.0 matplotlib==3.1.1 pandas==0.25.2 pyparsing==2.4.2 python-dateutil==2.8.0 pytz==2019.3 requests==2.22.0 s3transfer==0.2.1 scikit-learn==0.21.3 seaborn==0.9.0 six==1.12.0 sklearn==0.0 smart-open==1.8.4 tqdm==4.37.0 urllib3==1.25.6

Can anyone help me for this I did R&D over sites but not found exact solution.

Answer 1

You are using wrong Flask version it should be Flask==1.1.1 and try.