Improve docker image size

Dockerfile

@@ -1,13 +1,16 @@
-FROM python:3.11.2
+FROM python:3.11.2-slim
 
-COPY /poetry.lock /poetry.lock
-COPY /pyproject.toml /pyproject.toml
-COPY ./app /app
+COPY poetry.lock pyproject.toml ./
+COPY /app /app
 
 WORKDIR /
+
+# Install requirements
 RUN apt-get update
 RUN apt-get -y dist-upgrade
 RUN apt-get -y install python3-pip curl
+
+# Install poetry and dependencies
 RUN curl -sSL https://install.python-poetry.org | python3 -
 ENV PATH=/root/.local/bin:$PATH
 RUN poetry install