Update deployment guides for v4

docs/guides/deployment/bare_metal.rst

@@ -72,7 +72,7 @@ default. You can start the server by enabling the unit.
 
 .. code-block:: bash
 
-   $ sudo systemctl enable --now edgedb-server-3
+   $ sudo systemctl enable --now edgedb-server-4
 
 This will start the server on port 5656, and the data directory will be
 ``/var/lib/edgedb/1/data``.
@@ -88,7 +88,7 @@ To set environment variables when running EdgeDB with ``systemctl``,
 
 .. code-block:: bash
 
-   $ systemctl edit --full edgedb-server-3
+   $ systemctl edit --full edgedb-server-4
 
 This opens a ``systemd`` unit file. Set the desired environment variables
 under the ``[Service]`` section. View the supported environment variables at
@@ -104,7 +104,7 @@ Save the file and exit, then restart the service.
 
 .. code-block:: bash
 
-   $ systemctl restart edgedb-server-3
+   $ systemctl restart edgedb-server-4
 
 
 Set a password
@@ -114,14 +114,14 @@ socket directory. You can find this by looking at your system.d unit file.
 
 .. code-block:: bash
 
-    $ sudo systemctl cat edgedb-server-3
+    $ sudo systemctl cat edgedb-server-4
 
 Set a password by connecting from localhost.
 
 .. code-block:: bash
 
    $ echo -n "> " && read -s PASSWORD
-   $ RUNSTATE_DIR=$(systemctl show edgedb-server-3 -P ExecStart | \
+   $ RUNSTATE_DIR=$(systemctl show edgedb-server-4 -P ExecStart | \
       grep -o -m 1 -- "--runstate-dir=[^ ]\+" | \
       awk -F "=" '{print $2}')
    $ sudo edgedb --port 5656 --tls-security insecure --admin \
@@ -147,7 +147,7 @@ You may need to restart the server after changing the listen port or addresses.
 
 .. code-block:: bash
 
-   $ sudo systemctl restart edgedb-server-3
+   $ sudo systemctl restart edgedb-server-4
 
 
 Link the instance with the CLI
@@ -183,7 +183,7 @@ Upgrading EdgeDB
    intended to manage production instances.
 
 When you want to upgrade to the newest point release upgrade the package and
-restart the ``edgedb-server-3`` unit.
+restart the ``edgedb-server-4`` unit.
 
 
 Debian/Ubuntu LTS
@@ -192,7 +192,7 @@ Debian/Ubuntu LTS
 .. code-block:: bash
 
    $ sudo apt-get update && sudo apt-get install --only-upgrade edgedb-3
-   $ sudo systemctl restart edgedb-server-3
+   $ sudo systemctl restart edgedb-server-4
 
 
 CentOS/RHEL 7/8
@@ -201,7 +201,7 @@ CentOS/RHEL 7/8
 .. code-block:: bash
 
    $ sudo yum update edgedb-3
-   $ sudo systemctl restart edgedb-server-3
+   $ sudo systemctl restart edgedb-server-4
 
 Health Checks
 =============

docs/guides/deployment/digitalocean.rst

@@ -210,7 +210,7 @@ Set the security policy to strict.
 
    .. code-block:: bash
 
-      $ apt-get update && apt-get install --only-upgrade edgedb-server-3
+      $ apt-get update && apt-get install --only-upgrade edgedb-server-4
       $ systemctl restart edgedb
 
 That's it! Refer to the :ref:`Construct the DSN