docker: switch to using uwsgi-base

This changes switches the Docker image to use the uwsgi-base image which
have no changes in the consumption of the image.

Depends-On: https://review.opendev.org/713953
Change-Id: Ia04425ca7bf22f0e9cc2dbe35daefa466c92dd56

.zuul.yaml

@@ -19,8 +19,7 @@
     parent: opendev-build-docker-image
     description: Build OpenDev Docker images for LodgeIt
     requires:
-      - python-base-3.7-container-image
-      - python-builder-3.7-container-image
+      - uwsgi-base-3.7-container-image
     provides: lodgeit-container-image
     vars: &lodgeit_opendev_image_vars
       zuul_work_dir: src/opendev.org/opendev/lodgeit
@@ -34,8 +33,7 @@
     parent: opendev-upload-docker-image
     description: Build OpenDev LodgeIt Docker images and upload to Docker Hub.
     requires:
-      - python-base-3.7-container-image
-      - python-builder-3.7-container-image
+      - uwsgi-base-3.7-container-image
     provides: lodgeit-container-image
     vars: *lodgeit_opendev_image_vars
     secrets:

Dockerfile

@@ -17,15 +17,11 @@ FROM opendevorg/python-builder:3.7 as builder
 COPY . /tmp/src
 RUN assemble
 
-FROM opendevorg/python-base:3.7 as lodgeit
+FROM opendevorg/uwsgi-base:3.7 as lodgeit
 COPY --from=builder /output/ /output
 RUN /output/install-from-bindep
 
-USER nobody
 EXPOSE 9000
 ENV LODGEIT_DBURI sqlite:////tmp/lodgeit.db
 ENV LODGEIT_SECRET_KEY changeMe
-CMD ["uwsgi", "--master", \
-              "--processes", "4", \
-              "--http-socket", "0.0.0.0:9000", \
-              "--wsgi-file", "/usr/local/bin/lodgeit-wsgi"]
+ENV UWSGI_HTTP_SOCKET=:9000 UWSGI_WSGI_FILE=/usr/local/bin/lodgeit-wsgi

requirements.txt

@@ -10,4 +10,3 @@ Babel
 pillow
 pytz
 MarkupSafe
-uwsgi