Docker compose & docker-entrypoint

Question

When running docker-compose up --build I am always running into this error message. Anyone knows what I am doing wrong with the docker-entrypoint file?

ERROR: for 986991ccdfe1_ubercoach_web_1  Cannot start service web: OCI runtime create failed: container_linux.go:348: starting container process caused "exec: \"./docker-entrypoint.sh\": permission denied": unknown

ERROR: for web  Cannot start service web: OCI runtime create failed: container_linux.go:348: starting container process caused "exec: \"./docker-entrypoint.sh\": permission denied": unknown
ERROR: Encountered errors while bringing up the project.

docker-compose:

version: '3'

services:
  db:
    image: postgres
    ports:
      - "5432:5432"
  web:
    build: .
    entrypoint: ./docker-entrypoint.sh
    env_file: .env
    volumes:
      - .:/code
    ports:
      - "8000:8000"
    depends_on:
      - db

Dockerfile:

# Pull base image FROM python:3

# Set environment varibles
ENV PYTHONUNBUFFERED 1

# Set work directory
RUN mkdir /code
WORKDIR /code

# Install dependencies
RUN pip install --upgrade pip
RUN pip install pipenv
COPY ./Pipfile /code/Pipfile
RUN pipenv install --deploy --system --skip-lock --dev

# Copy project
COPY . /code/

docker-entrypoint.sh

#!/bin/bash

# Collect static files
echo "Collect static files"
python manage.py collectstatic --noinput

# Apply database migrations
echo "Apply database migrations"
python manage.py migrate

# Start server
echo "Starting server"
python manage.py runserver 0.0.0.0:8000

Answer 1

\"./docker-entrypoint.sh\": permission denied": unknown

I would guess your docker-entrypoint.sh doesn't have execute permissions (x). But also docker-compose.yml is not really the best place for the docker-entrypoint.sh. It's the override setting, see entrypoint. The default should go in the Dockerfile. Try this:

Add this to the end of your Dockerfile

COPY ./docker-entrypoint.sh /docker-entrypoint.sh
RUN chmod +x /docker-entrypoint.sh
ENTRYPOINT ["/docker-entrypoint.sh"]

The docker-entrypoint.sh should be in the same folder as the Dockerfile (or adjust the COPY path). Remove the entrypoint line from your docker-compose.yml. Rebuild, rerun.