DB: Added initial DB testing docker-based script

dev/docker/db-testing/run.sh

@@ -0,0 +1,50 @@
+#!/bin/bash
+
+BRANCH=${1:-development}
+
+# Build the container with a known name
+docker build --build-arg BRANCH="$BRANCH" -t bookstack:db-testing .
+
+# List of database containers to test against
+containers=(
+  mysql:5.7
+  mysql:8.0
+  mysql:8.4
+  mysql:9.5
+  mariadb:10.2
+  mariadb:10.6
+  mariadb:10.11
+  mariadb:11.4
+  mariadb:11.8
+  mariadb:12.0
+)
+
+# Pre-clean-up from prior runs
+docker stop bs-dbtest-db
+docker network rm bs-dbtest-net
+
+# Cycle over each database image
+for img in "${containers[@]}"; do
+  echo "Starting tests with $img..."
+  docker network create bs-dbtest-net
+  docker run -d --rm --name "bs-dbtest-db" \
+      -e MYSQL_DATABASE=bookstack-test -e MYSQL_USER=bookstack -e MYSQL_PASSWORD=bookstack -e MYSQL_ROOT_PASSWORD=password \
+	  --network=bs-dbtest-net \
+      "$img"
+  sleep 10
+  APP_RUN='docker run -it --rm --network=bs-dbtest-net -e TEST_DATABASE_URL="mysql://bookstack:bookstack@bs-dbtest-db:3306" bookstack:db-testing'
+  $APP_RUN artisan migrate --force --database=mysql_testing
+  $APP_RUN artisan db:seed --force --class=DummyContentSeeder --database=mysql_testing
+  $APP_RUN vendor/bin/phpunit
+  if [ $? -eq 0 ]; then
+    echo "$img - Success"
+  else
+    echo "$img - Error"
+    read -p "Stop script? [y/N] " ans
+    [[ $ans == [yY] ]] && exit 0
+  fi
+
+  docker stop "bs-dbtest-db"
+  docker network rm bs-dbtest-net
+done
+