Dockerfile updated to work with openbb-chat

The previously Dockerfile has been updated to work with the openbb-chat
version downloaded from PyPI.

Dockerfile

@@ -3,51 +3,21 @@ FROM nvidia/cuda:11.7.1-devel-ubuntu22.04
 # Update system
 RUN apt update && apt install -y python3-pip python3-venv
 
-# Configure Poetry
-ENV POETRY_VERSION=1.5.1
-ENV POETRY_HOME=/opt/poetry
-ENV POETRY_VENV=/opt/poetry-venv
-ENV POETRY_CACHE_DIR=/opt/.cache
-
-# Install poetry separated from system interpreter
-RUN python3 -m venv $POETRY_VENV \
-    && $POETRY_VENV/bin/pip install -U pip setuptools \
-    && $POETRY_VENV/bin/pip install poetry==${POETRY_VERSION}
-
-# Add `poetry` to PATH
-ENV PATH="${PATH}:${POETRY_VENV}/bin"
-
-WORKDIR /openbb-chat/
-
-# Add dependencies
-ADD poetry.lock /openbb-chat/poetry.lock
-ADD pyproject.toml /openbb-chat/pyproject.toml
-
-# Install fastapi and uvicorn for running the fastapi app
-RUN poetry add fastapi uvicorn
-
-RUN poetry install --no-root
-ADD openbb_chat /openbb-chat/openbb_chat
-ADD README.md /openbb-chat/README.md
-RUN poetry install --only-root
-
 #Install graphical tool to avoid interaction
 RUN apt install -y libwebkit2gtk-4.0-dev
 
-# Add other files
-ADD scripts /openbb-chat/scripts/
-ADD data /openbb-chat/data/
-
-# Create app directory
-RUN mkdir -p /openbb-chat/fastapi
+# Install requirements.txt
+COPY ./requirements.txt /api/requirements.txt
+WORKDIR /api
+RUN python3 -m pip install --upgrade pip
+RUN python3 -m pip install -r requirements.txt
 
 # Copy FastAPI app
-COPY ./fastapi /openbb-chat/fastapi
-
-WORKDIR /openbb-chat/fastapi
+COPY ./fastapi /api/fastapi
+WORKDIR /api/fastapi
 
 # Expose port for FastAPI app to run on
 EXPOSE 8000
 
 # Run the FastAPI app
-CMD ["poetry", "run", "uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]
+CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000", "--env-file", ".env"]