1 files changed, 6 insertions, 2 deletions
diff --git a/Dockerfile b/Dockerfile
index a358635..eefb795 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -35,13 +35,12 @@ RUN chmod +x /usr/sbin/nsjail
 
 FROM base as venv
 ARG DEV
-ARG git_sha="development"
 
 ENV PIP_NO_CACHE_DIR=false \
     PIPENV_DONT_USE_PYENV=1 \
     PIPENV_HIDE_EMOJIS=1 \
     PIPENV_NOSPIN=1 \
-    GIT_SHA=$git_sha
+    PYTHONUSERBASE=/snekbox/user_base
 
 COPY Pipfile Pipfile.lock /snekbox/
 WORKDIR /snekbox
@@ -54,6 +53,7 @@ RUN if [ -n "${DEV}" ]; \
     fi
 
 # At the end to avoid re-installing dependencies when only a config changes.
+# It's in the venv image because the final image is not used during development.
 COPY config/ /snekbox/config
 
 FROM venv
@@ -63,3 +63,7 @@ CMD ["-c", "config/gunicorn.conf.py", "snekbox.api.app"]
 
 COPY . /snekbox
 WORKDIR /snekbox
+
+# At the end to prevent it from invalidating the layer cache.
+ARG git_sha="development"
+ENV GIT_SHA=$git_sha