feat: Replace pdm with uv in backend

Author: mkleszcz

README.md

@@ -57,9 +57,9 @@ and seamlessly transition from setup to innovation.
 
 #### Optional
 
-- Install [Python](https://www.python.org/downloads/) version 3.11 (which can be checked by running `python3 --version`) and [PDM](https://github.com/pdm-project/pdm/#installation) version 2.3 or above (which can be checked by running
-  `pdm --version`)
-  - You need this one if you want to run `pdm install` command in `packages/backend` or `packages/workers` outside
+- Install [Python](https://www.python.org/downloads/) version 3.11 (which can be checked by running `python3 --version`) and [uv](https://docs.astral.sh/uv/getting-started/installation/) (which can be checked by running
+  `uv --version`)
+  - You need this one if you want to run `uv sync` command in `packages/backend` or `packages/workers` outside
     docker container
   - You can use [`pyenv`](https://github.com/pyenv/pyenv) for managing multiple Python versions installed on a single machine.
 

packages/backend/.dockerignore

@@ -1,3 +1,4 @@
 __pypackages__
+.venv
 node_modules
 **/node_modules

packages/backend/.gitignore

@@ -5,7 +5,7 @@ db.sqlite3
 .pytest_cache/
 .env
 .ruff_cache
-.pdm-python
+.venv/
 docs/
 
 # Coverage

packages/backend/Dockerfile

@@ -18,7 +18,7 @@ ENV PIP_NO_CACHE_DIR=off
 RUN apt-get update && apt-get install -y gcc postgresql-client ca-certificates jq curl \
   && update-ca-certificates \
   && pip install --upgrade pip \
-  && pip install --no-cache-dir setuptools pdm~=2.22 awscli==1.32.24
+  && pip install --no-cache-dir setuptools uv==0.9.29 awscli==1.32.24
 
 
 RUN curl -fsS https://deb.nodesource.com/setup_20.x | bash - \
@@ -28,8 +28,8 @@ COPY --from=chamber /chamber /bin/chamber
 
 WORKDIR /pkgs
 
-COPY pdm.lock pyproject.toml pdm.toml /pkgs/
-RUN pdm sync \
+COPY uv.lock pyproject.toml /pkgs/
+RUN uv sync --frozen \
   && apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false \
   && rm -rf /var/lib/apt/lists/*
 
@@ -46,14 +46,14 @@ ENV HASHID_FIELD_SALT='' \
     DB_CONNECTION='{"dbname":"build","username":"build","password":"build","host":"db","port":5432}' \
     REDIS_CONNECTION=redis://redis:6379 \
     WORKERS_EVENT_BUS_NAME='' \
-    PYTHONPATH=/pkgs/__pypackages__/3.11/lib
+    PYTHONPATH=/pkgs/.venv/lib/python3.11/site-packages
 
 RUN ./scripts/runtime/build_static.sh
 
 
 FROM backend_build AS backend
 COPY --from=static_files /app/static /app/static
-ENV PYTHONPATH=/pkgs/__pypackages__/3.11/lib \
-    PATH=$PATH:/pkgs/__pypackages__/3.11/bin
+ENV PYTHONPATH=/pkgs/.venv/lib/python3.11/site-packages \
+    PATH=$PATH:/pkgs/.venv/bin
 
 CMD ["./scripts/runtime/run.sh"]

packages/backend/Dockerfile.render

@@ -58,17 +58,16 @@ ENV PIP_NO_CACHE_DIR=off
 RUN apt-get update && apt-get install -y gcc postgresql-client ca-certificates jq curl \
   && update-ca-certificates \
   && pip install --upgrade pip \
-  && pip install --no-cache-dir setuptools pdm~=2.22
+  && pip install --no-cache-dir setuptools uv==0.9.29
 
 RUN curl -fsS https://deb.nodesource.com/setup_20.x | bash - \
   && apt-get --no-install-recommends install -y nodejs
 
 WORKDIR /pkgs
 
 # Copy backend package files (paths relative to repo root)
-COPY packages/backend/pdm.lock packages/backend/pyproject.toml packages/backend/pdm.toml /pkgs/
-# Disable PDM HTTP caching to prevent sqlite locking issues during parallel builds on Render
-RUN pdm config install.cache off && pdm sync \
+COPY packages/backend/uv.lock packages/backend/pyproject.toml /pkgs/
+RUN uv sync --frozen \
   && apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false \
   && rm -rf /var/lib/apt/lists/*
 
@@ -95,15 +94,15 @@ ENV HASHID_FIELD_SALT='' \
     DB_CONNECTION='{"dbname":"build","username":"build","password":"build","host":"db","port":5432}' \
     REDIS_CONNECTION=redis://redis:6379 \
     WORKERS_EVENT_BUS_NAME='' \
-    PYTHONPATH=/pkgs/__pypackages__/3.11/lib
+    PYTHONPATH=/pkgs/.venv/lib/python3.11/site-packages
 
 RUN ./scripts/runtime/build_static.sh
 
 
 FROM backend_build AS backend
 COPY --from=static_files /app/static /app/static
-ENV PYTHONPATH=/pkgs/__pypackages__/3.11/lib \
-    PATH=$PATH:/pkgs/__pypackages__/3.11/bin \
+ENV PYTHONPATH=/pkgs/.venv/lib/python3.11/site-packages \
+    PATH=$PATH:/pkgs/.venv/bin \
     DJANGO_SETTINGS_MODULE=config.settings
 
 CMD ["./scripts/runtime/run.sh"]

packages/backend/apps/sso/README.md

@@ -27,8 +27,8 @@ LOCAL_APPS = [
 2. Run migrations:
 
 ```bash
-pdm run python manage.py makemigrations sso
-pdm run python manage.py migrate
+uv run python manage.py makemigrations sso
+uv run python manage.py migrate
 ```
 
 3. Configure your identity provider (see documentation)