[Docs] Add CloudWatch Logs instruction (#1606)

Co-authored-by: peterschmidt85 <andrey.cheptsov@gmail.com>

docs/docs/installation/index.md

@@ -16,7 +16,7 @@ Follow the steps below to set up the server.
 If you want the `dstack` server to run containers or manage clusters in your cloud accounts (or use Kubernetes),
 create the [`~/.dstack/server/config.yml`](../reference/server/config.yml.md) file and configure backends.
 
-### 2. Start the server
+### 3. Start the server
 
 Once the `~/.dstack/server/config.yml` file is configured, proceed to start the server:
 
@@ -55,13 +55,15 @@ Once the `~/.dstack/server/config.yml` file is configured, proceed to start the
 
     > For more details on how to deploy `dstack` using Docker, check its [Docker repo](https://hub.docker.com/r/dstackai/dstack).
 
-By default, the `dstack` server stores its state in `~/.dstack/server/data` using SQLite.
-To use a database, set the [`DSTACK_DATABASE_URL`](../reference/cli/index.md#environment-variables) environment variable.
+By default, the `dstack` server stores its state in `~/.dstack/server/data` using SQLite, 
+while run logs are stored in `~/.dstack/server/projects/<project name>/logs`.
+To store the state in a database, set the [`DSTACK_DATABASE_URL`](../reference/cli/index.md#environment-variables) environment variable.
+To store the logs in AWS CloudWatch, set the [`SERVER_CLOUDWATCH_LOG_GROUP`](../reference/cli/index.md#environment-variables) environment variable.
 
 The `dstack` server can run anywhere: on your laptop, a dedicated server, or in the cloud. Once it's up, you
 can use either the CLI or the API.
 
-### 3. Set up the CLI
+### 4. Set up the CLI
 
 To point the CLI to the `dstack` server, configure it
 with the server address, user token, and project name:
@@ -81,8 +83,8 @@ Configuration is updated at ~/.dstack/config.yml
 
 This configuration is stored in `~/.dstack/config.yml`.
 
-### 4. Create on-prem fleets
-    
+### 5. Create on-prem fleets
+
 If you want the `dstack` server to run containers on your on-prem servers,
 use [fleets](../fleets.md#__tabbed_1_2).
 
@@ -95,4 +97,4 @@ use [fleets](../fleets.md#__tabbed_1_2).
 
 !!! info "dstack Sky"
     If you don't want to host the `dstack` server or would like to access GPU from the `dstack` marketplace, 
-    check [dstack Sky](../guides/dstack-sky.md).
+    check [dstack Sky](../guides/dstack-sky.md).

docs/docs/reference/cli/index.md

@@ -393,6 +393,8 @@ $ dstack pool delete --help
  * `DSTACK_SERVER_PORT` – (Optional) Has the same effect as `--port`. Defaults to `3000`.
  * `DSTACK_SERVER_ADMIN_TOKEN` – (Optional) Has the same effect as `--token`. Defaults to `None`.
  * `DSTACK_DATABASE_URL` – (Optional) The database URL to use instead of default SQLite. Currently `dstack` supports Postgres. Example: `postgresql+asyncpg://myuser:mypassword@localhost:5432/mydatabase`. Defaults to `None`.
+ * `SERVER_CLOUDWATCH_LOG_GROUP` – (Optional) The CloudWatch Logs group for workloads logs. If not set, the default file-based log storage is used.
+ * `SERVER_CLOUDWATCH_LOG_REGION` — (Optional) The CloudWatch Logs region. Defaults to `None`.
  * `DSTACK_SERVER_DIR` – (Optional) Sets path to store data and server configs. Defaults to `~/.dstack/server`.
 
 ??? info "Internal environment variables"