Replace localhost with gateway hostname in service logs

README.md

@@ -57,7 +57,7 @@ A configuration is a YAML file that describes what you want to run.
 > you can name the configuration file `.dstack.yml` or `app.dstack.yml`. You can define
 > these configurations anywhere within your project.
 
-Configurations can be of two types: `dev-environment` and `task`.
+Configurations can be of three types: `dev-environment`, `task`, and `service`.
 
 Below is a configuration that runs a dev environment with a pre-built environment to which you can connect via VS Code Desktop.
 
@@ -84,6 +84,17 @@ commands:
   - python app.py
 ```
 
+A service configuration makes a web application available through the gateway.
+Below is a configuration for a simple web server.
+
+```yaml
+type: service
+gateway: my.domain.com
+port: 80:8000
+commands:
+  - python -m http.server 8000
+```
+
 ## CLI
 
 To run a configuration, use the [`dstack run`](https://dstack.ai/docs/reference/cli/run.md) command and pass the path to the

cli/dstack/_internal/cli/utils/run.py

@@ -19,7 +19,7 @@
 from dstack._internal.cli.utils.watcher import LocalCopier, SSHCopier, Watcher
 from dstack._internal.core.app import AppSpec
 from dstack._internal.core.instance import InstanceType
-from dstack._internal.core.job import Job, JobErrorCode, JobHead, JobStatus
+from dstack._internal.core.job import ConfigurationType, Job, JobErrorCode, JobHead, JobStatus
 from dstack._internal.core.plan import RunPlan
 from dstack._internal.core.request import RequestStatus
 from dstack._internal.core.run import RunHead
@@ -345,8 +345,13 @@ def _run_container_ssh_tunnel(hub_client: HubClient, run_name: str, ports_lock:
 
 
 def _poll_logs_ws(hub_client: HubClient, job: Job, ports: Dict[int, int]):
+    hostname = "127.0.0.1"
+    if job.configuration_type == ConfigurationType.SERVICE:
+        hostname = job.gateway.hostname
+        ports = {**ports, job.gateway.service_port: job.gateway.public_port}
+
     def on_message(ws: WebSocketApp, message):
-        message = fix_urls(message, job, ports, hostname="127.0.0.1")
+        message = fix_urls(message, job, ports, hostname=hostname)
         sys.stdout.buffer.write(message)
         sys.stdout.buffer.flush()