diff --git a/hosting/single/Dockerfile b/hosting/single/Dockerfile
index e01b0bf61e..f34290f627 100644
--- a/hosting/single/Dockerfile
+++ b/hosting/single/Dockerfile
@@ -29,23 +29,8 @@ ENV TARGETBUILD $TARGETBUILD
 COPY --from=build /app /app
 COPY --from=build /worker /worker
 
-ENV \
-  APP_PORT=4001 \
-  ARCHITECTURE=amd \
-  BUDIBASE_ENVIRONMENT=PRODUCTION \
-  CLUSTER_PORT=80 \
-  # CUSTOM_DOMAIN=budi001.custom.com \
-  DATA_DIR=/data \
-  DEPLOYMENT_ENVIRONMENT=docker \
-  MINIO_URL=http://localhost:9000 \
-  POSTHOG_TOKEN=phc_bIjZL7oh2GEUd2vqvTBH8WvrX0fWTFQMs6H5KQxiUxU \
-  REDIS_URL=localhost:6379 \
-  SELF_HOSTED=1 \
-  TARGETBUILD=$TARGETBUILD \
-  WORKER_PORT=4002 \
-  WORKER_URL=http://localhost:4002 \
-  APPS_URL=http://localhost:4001
-
+# ENV CUSTOM_DOMAIN=budi001.custom.com \
+#  See runner.sh for Env Vars
 # These secret env variables are generated by the runner at startup
 # their values can be overriden by the user, they will be written
 # to the .env file in the /data directory for use later on
diff --git a/hosting/single/runner.sh b/hosting/single/runner.sh
index b432813769..cf82e6701b 100644
--- a/hosting/single/runner.sh
+++ b/hosting/single/runner.sh
@@ -15,6 +15,7 @@ declare -a DOCKER_VARS=("APP_PORT" "APPS_URL" "ARCHITECTURE" "BUDIBASE_ENVIRONME
 [[ -z "${WORKER_PORT}" ]] && export WORKER_PORT=4002
 [[ -z "${WORKER_URL}" ]] && export WORKER_URL=http://localhost:4002
 [[ -z "${APPS_URL}" ]] && export APPS_URL=http://localhost:4001
+#  export CUSTOM_DOMAIN=budi001.custom.com
 # Azure App Service customisations
 if [[ "${TARGETBUILD}" = "aas" ]]; then
     DATA_DIR=/home