Fully migrate to UV (#336)

* Fully migrate to UV

* Fixed Dockerfile formatting

Author: clay53

backend/Dockerfile

@@ -1,22 +1,17 @@
-FROM pennlabs/django-base:b269ea1613686b1ac6370154debbb741b012de1a-3.11
-ARG DEPENDENCY_MANAGER="uv"
+FROM pennlabs/django-base:11d476546bd11c7a499e0e93be8db6af035d360f-3.11
 
 LABEL maintainer="Penn Labs"
 
 # Install uv
 COPY --from=ghcr.io/astral-sh/uv@sha256:2381d6aa60c326b71fd40023f921a0a3b8f91b14d5db6b90402e65a635053709 /uv /uvx /bin/
 
 # Copy project dependencies
-COPY Pipfile* pyproject.toml uv.lock /app/
-
-# Install dependencies using uv or pipenv depending on DEPENDENCY_MANAGER arg
-RUN if [ "$DEPENDENCY_MANAGER" = "uv" ]; then \
-    uv sync --frozen --no-dev --no-install-project --python $(which python); \
-    mv /app/.venv/bin/uwsgi /usr/local/bin/uwsgi; \
-    mv /app/.venv/bin/gunicorn /usr/local/bin/gunicorn; \
-else \
-    pipenv install --system; \
-fi
+COPY pyproject.toml uv.lock /app/
+
+# Install dependencies
+RUN uv sync --frozen --no-dev --no-install-project --python $(which python); \
+    ln -s /app/.venv/bin/uwsgi /usr/local/bin/uwsgi; \
+    ln -s /app/.venv/bin/gunicorn /usr/local/bin/gunicorn
 
 # Make installed binaries available for POSIX compliant scripts
 ENV PATH="/app/.venv/bin:$PATH"