update badges

README.md

@@ -1,6 +1,7 @@
 [![Traefik Deploy](https://github.com/Geonovum/ogc-api-testbed/actions/workflows/deploy.traefik.yml/badge.svg)](https://github.com/Geonovum/ogc-api-testbed/actions/workflows/deploy.traefik.yml)
 [![pygeoapi Deploy](https://github.com/Geonovum/ogc-api-testbed/actions/workflows/deploy.pygeoapi.yml/badge.svg)](https://github.com/Geonovum/ogc-api-testbed/actions/workflows/deploy.pygeoapi.yml)
 [![ldproxy Deploy](https://github.com/Geonovum/ogc-api-testbed/actions/workflows/deploy.ldproxy.yml/badge.svg)](https://github.com/Geonovum/ogc-api-testbed/actions/workflows/deploy.ldproxy.yml)
+[![postgis Deploy](https://github.com/Geonovum/ogc-api-testbed/actions/workflows/deploy.postgis.yml/badge.svg)](https://github.com/Geonovum/ogc-api-testbed/actions/workflows/deploy.postgis.yml)
 [![admin Deploy](https://github.com/Geonovum/ogc-api-testbed/actions/workflows/deploy.admin.yml/badge.svg)](https://github.com/Geonovum/ogc-api-testbed/actions/workflows/deploy.admin.yml)
 [![docs Deploy](https://github.com/Geonovum/ogc-api-testbed/actions/workflows/deploy.docs.yml/badge.svg)](https://github.com/Geonovum/ogc-api-testbed/actions/workflows/deploy.docs.yml)
 [![Gitter](https://img.shields.io/gitter/room/Geonovum/ogc-api-testbed.svg?style=flat-square)](https://gitter.im/Geonovum/ogc-api-testbed)

services/postgis/README.md

@@ -6,6 +6,8 @@ Runs PostGIS with PGAdmin4.
 * Docker Image: postgis/postgis:13-3.1-alpine - Postgres v13.1 with PostGIS 3.1 on Alpine Linux
 * PGAdmin4 Image: dpage/pgadmin4:5.3
 
+TODO: we need to securely deal with pg.env and pgadmin.env (Docker secrets?)
+
 ## Deployment
 
 This service is automatically (re)deployed if anything within this directory or its subdirs changes