clarify poetry venv usage

Author: aaxelb

Dockerfile

@@ -28,18 +28,19 @@ WORKDIR /code
 ENV POETRY_NO_INTERACTION=1 \
     POETRY_VIRTUALENVS_OPTIONS_ALWAYS_COPY=1 \
     POETRY_VIRTUALENVS_CREATE=0 \
-    POETRY_VIRTUALENVS_IN_PROJECT=1 \
+    POETRY_VIRTUALENVS_IN_PROJECT=0 \
     POETRY_CACHE_DIR=/tmp/poetry-cache \
-    POETRY_HOME=/tmp/poetry
+    POETRY_VENV=/poetry_venv
 
-RUN python -m venv $POETRY_HOME
+RUN python -m venv $POETRY_VENV
 
-RUN $POETRY_HOME/bin/pip install poetry==2.1.1
+RUN $POETRY_VENV/bin/pip install poetry==2.1.1
 
 COPY pyproject.toml .
 COPY poetry.lock .
 
-RUN $POETRY_HOME/bin/poetry install --compile
+# note: installs dependencies on the system, not in poetry's venv
+RUN $POETRY_VENV/bin/poetry install --compile
 
 RUN apt-get remove -y \
     gcc \
@@ -59,9 +60,9 @@ CMD ["python", "manage.py", "--help"]
 ### Dist
 FROM app AS dist
 
-RUN $POETRY_HOME/bin/poetry install --compile --only dist
+RUN $POETRY_VENV/bin/poetry install --compile --only dist
 
 ### Dev
 FROM app AS dev
 
-RUN $POETRY_HOME/bin/poetry install --compile --only dev
+RUN $POETRY_VENV/bin/poetry install --compile --only dev

docker-compose.yml

@@ -151,7 +151,7 @@ services:
       - -c
       - apt-get update &&
         apt-get install -y gcc &&
-        $$POETRY_HOME/bin/poetry install --compile --with dev &&
+        $$POETRY_VENV/bin/poetry install --compile --with dev &&
         rm -Rf /python3.13/* &&
         apt-get remove -y gcc &&
         cp -Rf -p /usr/local/lib/python3.13 /