Make NGNIX unprivileged docker images as default

build.gradle

@@ -158,7 +158,7 @@ subprojects { sp ->
         def buildArch = System.getenv('DOCKER_BUILD_ARCH') ?: isArm64 ? 'arm64' : 'amd64'
         def buildPlatform = System.getenv('DOCKER_BUILD_PLATFORM') ?: isArm64 ? 'linux/arm64' : 'linux/amd64'
         def alpineImage = System.getenv('ALPINE_IMAGE') ?: isArm64 ? 'arm64v8/alpine:3.14' : 'amd64/alpine:3.14'
-        def nginxImage = System.getenv('NGINX_IMAGE') ?: isArm64 ? 'arm64v8/nginx:alpine' : 'amd64/nginx:alpine'
+        def nginxImage = System.getenv('NGINX_IMAGE') ?: isArm64 ? 'arm64v8/"nginxinc/nginx-unprivileged:alpine' : 'amd64/"nginxinc/nginx-unprivileged:alpine'
 
         // Used by the platform -- Must be an Amazon Corretto-based image for build to work without modification to Dockerfile instructions
         def openjdkImage = System.getenv('JDK_IMAGE') ?: 'airbyte/airbyte-base-java-image:2.1.0'