chore: update Dockerfile for learnhouse-api

apps/api/Dockerfile

@@ -1,28 +1,31 @@
-# 
-FROM python:3.12.3
+# Use an official Python runtime as a parent image
+FROM python:3.12.3-slim
 
-# poetry 
-RUN pip install poetry
+# Set environment variables
+ENV PYTHONDONTWRITEBYTECODE=1 \
+    PYTHONUNBUFFERED=1 \
+    PIP_NO_CACHE_DIR=off \
+    PIP_DISABLE_PIP_VERSION_CHECK=on 
 
-# 
-WORKDIR /usr/learnhouse/apps/api
+# Set work directory
+WORKDIR /usr/learnhouse-api
 
-# Copy poetry.lock* in case it doesn't exist in the repo
-COPY ./poetry.lock* /usr/learnhouse/
-
-# Copy project requirement files here to ensure they will be cached.
-COPY pyproject.toml /usr/learnhouse/
-
-# Install poetry
-RUN pip install --upgrade pip \
-    && pip install poetry \
+# Install system dependencies and Poetry
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    gcc \
+    build-essential \
+    && rm -rf /var/lib/apt/lists/* \
+    && pip install --no-cache-dir poetry \
     && poetry config virtualenvs.create false
 
-# Install project dependencies.
-RUN poetry install --no-interaction --no-ansi
+# Copy only requirements to cache them in docker layer
+COPY poetry.lock pyproject.toml ./
 
-# 
-COPY ./ /usr/learnhouse
+# Install dependencies
+RUN poetry install --no-interaction --no-ansi --no-root --only main
 
-# 
+# Copy the current directory contents into the container
+COPY . .
+
+# Run the application
 CMD ["python", "app.py"]