refactor: only prevent cache when testing

docker/Dockerfile

@@ -5,8 +5,6 @@ WORKDIR /app
 # If we want to use the alpine image, we need these packages for pytest
 # RUN apk update && apk add python3-dev gcc libc-dev libffi-dev
 
-ENV PYTHONDONTWRITEBYTECODE=1
-
 COPY requirements.txt requirements.txt
 COPY requirements-dev.txt requirements-dev.txt
 

run-compose.sh

@@ -19,6 +19,7 @@ while [ -n "$1" ]; do
         EXTRA_ARGS="--build"
         ;;
     tests)
+        PYTHONDONTWRITEBYTECODE=1
         docker-compose -f docker/docker-compose-test.yaml up --build
         exit 0
         ;;