add network-alias

podman_compose.py

@@ -563,6 +563,7 @@ def assert_cnt_nets(compose, cnt):
             compose.podman.output([], "network", ["exists", net_name])
 
 def get_net_args(compose, cnt):
+    service_name = cnt["service_name"]
     project_name = compose.project_name
     default_net = compose.default_net
     nets = compose.networks
@@ -573,7 +574,7 @@ def get_net_args(compose, cnt):
         net_name = net_desc.get("name", None) or f"{project_name}_{net}"
         net_names.add(net_name)
     net_names_str = ",".join(net_names)
-    return ["--net", net_names_str]
+    return ["--net", net_names_str, "--network-alias", service_name]
 
 def container_to_args(compose, cnt, detached=True):
     # TODO: double check -e , --add-host, -v, --read-only

tests/nets_test3/docker-compose.yml

@@ -5,6 +5,7 @@ networks:
 services:
     web1:
       image: busybox
+      #container_name: web1
       hostname: web1
       command: ["/bin/busybox", "httpd", "-f", "-h", "/var/www/html", "-p", "8001"]
       working_dir: /var/www/html
@@ -16,6 +17,7 @@ services:
       - ./test1.txt:/var/www/html/index.txt:ro
     web2:
       image: busybox
+      #container_name: web2
       hostname: web2
       command: ["/bin/busybox", "httpd", "-f", "-h", "/var/www/html", "-p", "8001"]
       working_dir: /var/www/html