Add explcit docker image source for the podman users (#224)

Co-authored-by: Jasper Stubbe <jasper.stubbe.b@gmail.com>

docker-compose.yml

@@ -44,7 +44,7 @@ services:
     restart: unless-stopped
 
   chromadb:
-    image: chromadb/chroma:latest
+    image: docker.io/chromadb/chroma:latest
     ports:
       - "${CHROMADB_BIND:-127.0.0.1}:8100:8000"
     volumes:
@@ -54,7 +54,7 @@ services:
     restart: unless-stopped
 
   searxng:
-    image: searxng/searxng:latest
+    image: docker.io/searxng/searxng:latest
     entrypoint:
       - /bin/sh
       - -c
@@ -85,7 +85,7 @@ services:
     restart: unless-stopped
 
   ntfy:
-    image: binwiederhier/ntfy
+    image: docker.io/binwiederhier/ntfy
     command: serve
     ports:
       - "${NTFY_BIND:-127.0.0.1}:8091:80"