Persist env vars for app runtime

run-affine.sh

@@ -3,6 +3,14 @@ set -euo pipefail
 
 APP_DIR=${APP_BUILD_DIR:-/app/code/affine}
 cd "$APP_DIR"
+ENV_EXPORT_FILE=${ENV_EXPORT_FILE:-/run/affine/runtime.env}
+
+if [ -f "$ENV_EXPORT_FILE" ]; then
+  set -a
+  # shellcheck disable=SC1090
+  source "$ENV_EXPORT_FILE"
+  set +a
+fi
 
 log() {
   printf '[%s] %s\n' "$(date --iso-8601=seconds)" "$*"