config flake8

Dockerfile

@@ -4,13 +4,18 @@ LABEL maintainer="pfb"
 ENV PYTHONUNBUFFERED=1
 
 COPY ./requirements.txt /tmp/requirements.txt
+COPY ./requirements.dev.txt /tmp/requirements.dev.txt
 COPY ./app /app
 WORKDIR /app
 EXPOSE 8000
 
+ARG DEV=false
 RUN python -m venv /py && \
     /py/bin/pip install --upgrade pip && \
     /py/bin/pip install -r /tmp/requirements.txt && \
+    if [ $DEV = "true" ]; \
+        then /py/bin/pip install -r /tmp/requirements.dev.txt; \
+    fi && \
     rm -rf /tmp && \
     adduser \
         --disabled-password \

app/.flake8

@@ -0,0 +1,6 @@
+[flake8]
+exclude = 
+    migrations,
+    __pycache__,
+    manage.py,
+    settings.py

docker-compose.yml

@@ -4,6 +4,8 @@ services:
   app:
     build:
       context: .
+      args:
+        - DEV=true
     ports:
       - "8000:8000"
     volumes:

requirements.dev.txt

@@ -0,0 +1 @@
+flake8>=3.9.2,<3.10