Docker: use dedicated db for telemetry

Ref readthedocs/readthedocs.org#9113

Author: stsewd

dockerfiles/docker-compose.yml

@@ -143,6 +143,7 @@ services:
       - POSTGRES_PASSWORD=docs_pwd
       - POSTGRES_DB=docs_db
     volumes:
+      - ${PWD}/common/dockerfiles/entrypoints/postgres.sql:/docker-entrypoint-initdb.d/postgres.sql
       - postgres_data:/var/lib/postgresql/data
       - postgres_backups_data:/backups
     networks:

dockerfiles/entrypoints/postgres.sql

@@ -0,0 +1,3 @@
+-- Initialization script.
+-- https://github.com/docker-library/docs/blob/master/postgres/README.md#initialization-scripts
+CREATE DATABASE telemetry;

dockerfiles/entrypoints/web.sh

@@ -6,6 +6,7 @@ if [ -n "$INIT" ];
 then
     echo "Performing initial tasks..."
     python3 manage.py migrate
+    python3 manage.py migrate --database telemetry
     cat ../../docker/createsuperuser.py | python3 manage.py shell
     bash ../../docker/createbuckets.sh
     python3 manage.py collectstatic --no-input