Use poetry in Dockerfile, del requirements.txt, improve docs.

Dockerfile

@@ -18,14 +18,22 @@ FROM python:3.11
 # Install system dependencies
 RUN apt-get update && apt-get install -y libmagic1 && rm -rf /var/lib/apt/lists/*
 
+# Install Poetry
+RUN pip install poetry
+
 # Set the working directory
 WORKDIR /backend
 
-COPY ./backend .
+# Copy only dependencies
+COPY ./backend/pyproject.toml ./backend/poetry.lock* ./
 
-RUN rm poetry.lock
+# Install dependencies
+# --no-dev: Skip installing packages listed in the [tool.poetry.dev-dependencies] section
+RUN poetry config virtualenvs.create false \
+    && poetry install --no-interaction --no-ansi --no-dev
 
-RUN pip install .
+# Copy the rest of backend
+COPY ./backend .
 
 # Copy the frontend build
 COPY --from=builder /frontend/dist ./ui

README.md

@@ -38,9 +38,12 @@ Because this is open source, if you do not like those architectures or want to m
 
 **Install requirements**
 
+The backend service uses [poetry](https://python-poetry.org/docs/#installation) to manage dependencies.
+It assumes libmagic to be [installed](https://github.com/ahupp/python-magic?tab=readme-ov-file#installation) in your host system.
+
 ```shell
 cd backend
-pip install -r requirements.txt
+poetry install
 ```
 
 **Set up persistence layer**

backend/Dockerfile

@@ -4,13 +4,21 @@ FROM python:3.11
 # Install system dependencies
 RUN apt-get update && apt-get install -y libmagic1 && rm -rf /var/lib/apt/lists/*
 
+# Install Poetry
+RUN pip install poetry
+
 # Set the working directory
 WORKDIR /backend
 
-COPY . .
+# Copy only dependencies
+COPY pyproject.toml poetry.lock* ./
 
-RUN rm poetry.lock
+# Install dependencies
+# --no-dev: Skip installing packages listed in the [tool.poetry.dev-dependencies] section
+RUN poetry config virtualenvs.create false \
+    && poetry install --no-interaction --no-ansi --no-dev
 
-RUN pip install .
+# Copy the rest of application code
+COPY . .
 
 ENTRYPOINT [ "uvicorn", "app.server:app", "--host", "0.0.0.0" ]