Docker - add comments about PostGIS images in docker compose file

Author: SamR1

docker-compose-dev.yml

@@ -10,6 +10,8 @@
 services:
   fittrackee-db:
     container_name: fittrackee-db
+    # Note: there is no official image for PostGIS on ARM CPUs yet.
+    # The workaround is to build PostGIS image locally.
     image: postgis/postgis:17-3.5-alpine
     ports:
       - "5435:5432"

docker-compose.yml

@@ -10,11 +10,15 @@
 services:
   fittrackee-db:
     container_name: fittrackee-db
-    # always backup the database before FitTrackee upgrade when the new version
-    # includes database migrations
+    # Always backup the database before FitTrackee upgrade when the new version
+    # includes database migrations.
     #
-    # please refer to the PostgreSQL and PostGIS documentation before upgrading
-    # image version
+    # Please refer to the PostgreSQL and PostGIS documentation before upgrading
+    # image version.
+    #
+    # Warning: there is no official image for PostGIS on ARM CPUs yet, see:
+    # https://github.com/postgis/docker-postgis/issues/216
+    # The workaround is to build PostGIS image locally.
     image: postgis/postgis:17-3.5-alpine
     env_file:
       - .env