test: test for watchtower and scaling

docker-compose/setup-script/tests/install/scale.bats

@@ -0,0 +1,31 @@
+#!/usr/bin/env bats
+
+NOCO_HOME="${HOME}/.nocodb"
+export NOCO_HOME
+
+WORKING_DIR="$(pwd)"
+
+setup() {
+  cd "${WORKING_DIR}" || exit 1
+  ../setup.sh
+}
+
+teardown() {
+  cd "${WORKING_DIR}" || exit 1
+  ../setup.sh
+}
+
+@test "Check if two instances of NoCoDB can be run" {
+    # Mock nproc to return 4
+    nproc() {
+        echo 4
+    }
+
+    ../expects/install/scale.sh
+
+    cd "${NOCO_HOME}"
+
+    # Get scale from docker compose ps
+    scale=$(docker compose ps | grep nocodb | awk '{print $1}')
+    [ "$scale" -eq 2 ]
+}