test(scrips): add a bash scripts to perform integrations tests

scripts/test_all.sh

@@ -0,0 +1,28 @@
+#!/bin/bash
+#
+# Integartion testing with dockerized database servers
+#
+
+set -e
+
+# database credentials
+export DBHOST=${DBHOST:-localhost}
+export PGUSER="postgres"
+export DBPASSWORD="password"
+export DATABASE="users"
+export PGPORT="15432"
+
+# Test different versions of postgres available on Docker Hub.
+pgversions="9.6 10.16 11.11 12.6 13.2"
+
+for i in $pgversions
+do
+	PGVERSION="$i"
+	echo "--------------BEGIN POSTGRES TESTS-------------"
+	echo "Running test against PostgreSQL v$PGVERSION"
+	  docker rm -f postgres || true
+	  docker run -p $PGPORT:5432 --name postgres -e POSTGRES_PASSWORD=$DBPASSWORD -d postgres:$PGVERSION
+		sleep 5
+		make test
+	echo "--------------END POSTGRES TESTS-------------"
+done