Feat(back): init dockerfiles

backend/Dockerfile

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+FROM python:3.11.3-alpine3.18 as python-base
+
+# https://python-poetry.org/docs#ci-recommendations
+ENV POETRY_VERSION=1.5.1
+ENV POETRY_HOME=/opt/poetry
+ENV POETRY_VENV=/opt/poetry-venv
+
+# Tell Poetry where to place its cache and virtual environment
+ENV POETRY_CACHE_DIR=/opt/.cache
+
+# Create stage for Poetry installation
+FROM python-base as poetry-base
+
+# Creating a virtual environment just for poetry and install it with pip
+RUN python3 -m venv $POETRY_VENV \
+    && $POETRY_VENV/bin/pip install -U pip setuptools \
+    && $POETRY_VENV/bin/pip install poetry==${POETRY_VERSION}
+
+# Create a new stage from the base python image
+FROM python-base as set_poetry
+
+# Copy Poetry to app image
+COPY --from=poetry-base ${POETRY_VENV} ${POETRY_VENV}
+
+# Add Poetry to PATH
+ENV PATH="${PATH}:${POETRY_VENV}/bin"
+
+WORKDIR /app
+
+# Copy Dependencies
+COPY poetry.lock pyproject.toml ./
+
+# [OPTIONAL] Validate the project is properly configured
+RUN poetry check
+RUN poetry install
+
+FROM set_poetry as app_ready
+
+#EXPOSE 80
+COPY src/ .
+CMD ["poetry", "run", "uvicorn", "api.main:app", "--host", "0.0.0.0", "--port", "8000"]