add Dockerfile to bookshelf (#486)

* add Dockerfile to bookshelf

* use gunicorn entrypoint

* fix line length for kokoro tests

Co-authored-by: Charles Engelke <[email protected]>

Author: rogerthatdev

bookshelf/Dockerfile

@@ -0,0 +1,14 @@
+# Use the official Python image.
+# https://hub.docker.com/_/python
+FROM python:3.10-slim
+
+# Copy local code to the container image.
+ENV APP_HOME /app
+WORKDIR $APP_HOME
+COPY . ./
+
+# Install production dependencies.
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Run the web service on container startup.
+ENTRYPOINT [ "gunicorn", "--bind", "0.0.0.0:8080", "main:app" ]

bookshelf/main_test.py

@@ -42,11 +42,11 @@ def app(request):
 def firestore():
 
     import firestore
-    """This fixture provides a modified version of the app's Firebase model that
-    tracks all created items and deletes them at the end of the test.
+    """This fixture provides a modified version of the app's Firebase model
+    that tracks all created items and deletes them at the end of the test.
 
-    Any tests that directly or indirectly interact with the database should use
-    this to ensure that resources are properly cleaned up.
+    Any tests that directly or indirectly interact with the database should
+    use this to ensure that resources are properly cleaned up.
     """
 
     # Ensure no books exist before running the tests. This typically helps if