Change plausible container data to regular volume

Bind mount caused issues, apparently permissions issue, I don't want to
debug it anymore.

README.md

@@ -23,7 +23,7 @@
 1. Clone this repository:
 
     ```console
-    $ git clone -b v3.1.0 --single-branch https://github.com/plausible/community-edition plausible-ce
+    $ git clone -b v3.0.1 --single-branch https://github.com/plausible/community-edition plausible-ce
     Cloning into 'plausible-ce'...
     remote: Enumerating objects: 13, done.
     remote: Counting objects: 100% (10/10), done.
@@ -34,10 +34,9 @@
     $ cd plausible-ce
 
     $ ls -1
+    README.md
     clickhouse/
     compose.yml
-    LICENSE
-    README.md
     ```
 
 1. Create and configure your [environment](https://docs.docker.com/compose/environment-variables/) file:
@@ -52,9 +51,7 @@
     SECRET_KEY_BASE=As0fZsJlUpuFYSthRjT5Yflg/NlxkFKPRro72xMLXF8yInZ60s6xGGXYVqml+XN1
     ```
 
-    Make sure `$BASE_URL` is set to the **actual domain** where you plan to host the service. The domain must have a DNS entry pointing to your server for proper resolution and automatic Let's Encrypt TLS certificate issuance. More on that in the next step.
-
-   Also ensure `$SECRET_KEY_BASE` is set to at least a **64-byte** string.
+    Make sure `$BASE_URL` is set to the actual domain where you plan to host the service. The domain must have a DNS entry pointing to your server for proper resolution and automatic Let's Encrypt TLS certificate issuance. More on that in the next step.
 
 1. Expose Plausible server to the web with a [compose override file:](https://github.com/plausible/community-edition/wiki/compose-override)
 

compose.yml

@@ -36,7 +36,7 @@ services:
       start_period: 1m
 
   plausible:
-    image: ghcr.io/plausible/community-edition:v3.1.0
+    image: ghcr.io/plausible/community-edition:v3.0.1
     stop_grace_period: 60s
     restart: always
     command: sh -c "/entrypoint.sh db createdb && /entrypoint.sh db migrate && /entrypoint.sh run"