Run db as non-root

Author: DerekRoberts

db/Dockerfile

@@ -2,4 +2,7 @@ FROM postgis/postgis:13-master
 
 # Enable pgcrypto extension on startup
 RUN sed -i '/EXISTS postgis_tiger_geocoder;*/a CREATE EXTENSION IF NOT EXISTS pgcrypto;' \
-        /docker-entrypoint-initdb.d/10_postgis.sh
+    /docker-entrypoint-initdb.d/10_postgis.sh
+
+# Non-root user
+USER postgres