chore: reduce memory consumption and dockerfile size

.gitignore

@@ -212,3 +212,4 @@ ee/experimental/ai_temp/*
 oauth2.cfg
 scripts/keep_slack_bot.py
 keepnew.db
+providers_cache.json

docker/Dockerfile.api

@@ -1,4 +1,4 @@
-FROM python:3.11.6-slim as base
+FROM python:3.11.10-slim-bullseye as base
 
 ENV PYTHONFAULTHANDLER=1 \
     PYTHONHASHSEED=random \
@@ -17,25 +17,31 @@ ENV PIP_DEFAULT_TIMEOUT=100 \
 RUN pip install "poetry==$POETRY_VERSION"
 RUN python -m venv /venv
 COPY pyproject.toml poetry.lock ./
-RUN poetry export -f requirements.txt --output requirements.txt --without-hashes && /venv/bin/python -m pip install --upgrade -r requirements.txt
+RUN poetry export -f requirements.txt --output requirements.txt --without-hashes --only main && \
+    /venv/bin/python -m pip install --upgrade -r requirements.txt && \
+    pip uninstall -y poetry
 COPY keep keep
 COPY ee keep/ee
 COPY examples examples
-COPY README.md README.md
-RUN poetry build && /venv/bin/pip install --use-deprecated=legacy-resolver dist/*.whl
+RUN /venv/bin/pip install --use-deprecated=legacy-resolver . && \
+    rm -rf /root/.cache/pip && \
+    find /venv -type d -name "__pycache__" -exec rm -r {} + && \
+    find /venv -type f -name "*.pyc" -delete
 
 FROM base as final
 ENV PATH="/venv/bin:${PATH}"
 ENV VIRTUAL_ENV="/venv"
 ENV EE_PATH="ee"
 COPY --from=builder /venv /venv
 COPY --from=builder /app/examples /examples
+# Build the providers cache
+RUN keep provider build_cache
 # as per Openshift guidelines, https://docs.openshift.com/container-platform/4.11/openshift_images/create-images.html#use-uid_create-images
-RUN chgrp -R 0 /app && chmod -R g=u /app
-RUN chown -R keep:keep /app
-RUN chown -R keep:keep /venv
+RUN chgrp -R 0 /app && chmod -R g=u /app && \
+    chown -R keep:keep /app && \
+    chown -R keep:keep /venv
 USER keep
 
 ENTRYPOINT ["/venv/lib/python3.11/site-packages/keep/entrypoint.sh"]
 
-CMD ["gunicorn", "keep.api.api:get_app", "--bind" , "0.0.0.0:8080" , "--workers", "4" , "-k" , "uvicorn.workers.UvicornWorker", "-c", "/venv/lib/python3.11/site-packages/keep/api/config.py"]
+CMD ["gunicorn", "keep.api.api:get_app", "--bind" , "0.0.0.0:8080" , "--workers", "4" , "-k" , "uvicorn.workers.UvicornWorker", "-c", "/venv/lib/python3.11/site-packages/keep/api/config.py", "--preload"]