fix: make published GMS and frontend ports configurable with quickstart

docker/build.gradle

@@ -387,6 +387,11 @@ task generateQuickstartComposeConfig {
         composeExecutor.parameters.environment.put("DATAHUB_APP_VERSION", '__VERSION__')
         composeExecutor.parameters.environment.put("METADATA_SERVICE_AUTH_ENABLED", 'false')
 
+        // Set placeholder port values that should remain configurable at runtime
+        // Use unique high port numbers as placeholders that will be replaced later
+        composeExecutor.parameters.environment.put("DATAHUB_MAPPED_GMS_PORT", '58080')
+        composeExecutor.parameters.environment.put("DATAHUB_MAPPED_FRONTEND_PORT", '59002')
+
         def configOutput = composeExecutor.execute('config')
 
         // The `config` returns a fully resolved compose file. We need to replace the DATAHUB_VERSION and HOME with values not available at build time
@@ -408,6 +413,10 @@ task generateQuickstartComposeConfig {
         yaml = new Yaml(dumpOptions)
         configOutput = yaml.dump(config)
 
+        // Replace port placeholders with environment variable syntax (after YAML processing)
+        configOutput = configOutput.replace("published: '58080'", 'published: ${DATAHUB_MAPPED_GMS_PORT:-8080}')
+        configOutput = configOutput.replace("published: '59002'", 'published: ${DATAHUB_MAPPED_FRONTEND_PORT:-9002}')
+
         configOutput = "# This file is generated as part of build process. If any build changes cause this file to be modified, please check in the generated file\n" + configOutput
 
         def outputFile = project.file("${project.projectDir}/quickstart/docker-compose.quickstart-profile.yml")
@@ -755,4 +764,4 @@ quickstart_configs.each { taskName, config ->
 }
 
 // :docker:build builds all docker images.
-build.dependsOn buildImagesallImages
+build.dependsOn buildImagesallImages

docker/quickstart/docker-compose.quickstart-profile.yml

@@ -103,7 +103,7 @@ services:
     ports:
     - mode: ingress
       target: 8080
-      published: '8080'
+      published: ${DATAHUB_MAPPED_GMS_PORT:-8080}
       protocol: tcp
     volumes:
     - type: bind
@@ -147,7 +147,7 @@ services:
     ports:
     - mode: ingress
       target: 9002
-      published: '9002'
+      published: ${DATAHUB_MAPPED_FRONTEND_PORT:-9002}
       protocol: tcp
     volumes:
     - type: bind