Fix top level path within the single image to make sure it can find builder assets correctly.

hosting/single/runner.sh

@@ -17,6 +17,7 @@ declare -a DOCKER_VARS=("APP_PORT" "APPS_URL" "ARCHITECTURE" "BUDIBASE_ENVIRONME
 [[ -z "${WORKER_PORT}" ]] && export WORKER_PORT=4002
 [[ -z "${WORKER_URL}" ]] && export WORKER_URL=http://localhost:4002
 [[ -z "${APPS_URL}" ]] && export APPS_URL=http://localhost:4001
+[[ -z "${SERVER_TOP_LEVEL_PATH}" ]] && export SERVER_TOP_LEVEL_PATH=/app
 #  export CUSTOM_DOMAIN=budi001.custom.com
 
 # Azure App Service customisations

packages/server/src/api/controllers/static/index.ts

@@ -67,7 +67,7 @@ export const toggleBetaUiFeature = async function (ctx: any) {
 }
 
 export const serveBuilder = async function (ctx: any) {
-  const builderPath = resolve(TOP_LEVEL_PATH, "builder")
+  const builderPath = join(TOP_LEVEL_PATH, "builder")
   await send(ctx, ctx.file, { root: builderPath })
 }
 

packages/server/src/environment.ts

@@ -98,7 +98,7 @@ const environment = {
   isInThread: () => {
     return process.env.FORKED_PROCESS
   },
-  TOP_LEVEL_PATH: process.env.TOP_LEVEL_PATH,
+  TOP_LEVEL_PATH: process.env.TOP_LEVEL_PATH || process.env.SERVER_TOP_LEVEL_PATH,
 }
 
 // threading can cause memory issues with node-ts in development