Update database images to latest versions

align with cloud

.gitignore

@@ -2,5 +2,7 @@
 !compose.yml
 !clickhouse/logs.xml
 !clickhouse/ipv4-only.xml
+!clickhouse/low-resources.xml
 !README.md
+!LICENSE
 !.gitignore

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2024 Plausible Analytics
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

@@ -23,7 +23,7 @@
 1. Clone this repository:
 
     ```console
-    $ git clone -b v2.1.3 --single-branch https://github.com/plausible/community-edition plausible-ce
+    $ git clone -b v3.1.0 --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.
@@ -34,9 +34,10 @@
     $ 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:
@@ -51,7 +52,9 @@
     SECRET_KEY_BASE=As0fZsJlUpuFYSthRjT5Yflg/NlxkFKPRro72xMLXF8yInZ60s6xGGXYVqml+XN1
     ```
 
-    Make sure `$BASE_URL` is set to the actual domain where you plan to host the service. The domain must have a DNS entry pointing to your server for proper resolution and automatic Let's Encrypt TLS certificate issuance. More on that in the next step.
+    Make sure `$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.
 
 1. Expose Plausible server to the web with a [compose override file:](https://github.com/plausible/community-edition/wiki/compose-override)
 
@@ -81,7 +84,7 @@
 > [!NOTE]
 > Plausible CE is funded by our cloud subscribers.
 >
-> If you know someone who might find Plausible useful, we'd appreciate if you'd let them know.
+> If you know someone who might [find Plausible useful](https://plausible.io/?utm_medium=Social&utm_source=GitHub&utm_campaign=readme), we'd appreciate if you'd let them know.
 
 ### Wiki
 

clickhouse/logs.xml

@@ -17,17 +17,9 @@
         </engine>
     </query_log>
 
-    <metric_log>
-        <partition_by>event_date</partition_by>
-        <ttl>event_date + INTERVAL 30 DAY DELETE</ttl>
-    </metric_log>
-
-    <asynchronous_metric_log>
-        <partition_by>event_date</partition_by>
-        <ttl>event_date + INTERVAL 30 DAY DELETE</ttl>
-    </asynchronous_metric_log>
-
     <!-- Stops unnecessary logging -->
+    <metric_log remove="remove" />
+    <asynchronous_metric_log remove="remove" />
     <query_thread_log remove="remove" />
     <text_log remove="remove" />
     <trace_log remove="remove" />

clickhouse/low-resources.xml

@@ -0,0 +1,23 @@
+<!-- https://clickhouse.com/docs/en/operations/tips#using-less-than-16gb-of-ram -->
+<clickhouse>
+    <!--
+    https://clickhouse.com/docs/en/operations/server-configuration-parameters/settings#mark_cache_size -->
+    <mark_cache_size>524288000</mark_cache_size>
+
+    <profile>
+        <default>
+            <!-- https://clickhouse.com/docs/en/operations/settings/settings#max_threads -->
+            <max_threads>1</max_threads>
+            <!-- https://clickhouse.com/docs/en/operations/settings/settings#max_block_size -->
+            <max_block_size>8192</max_block_size>
+            <!-- https://clickhouse.com/docs/en/operations/settings/settings#max_download_threads -->
+            <max_download_threads>1</max_download_threads>
+            <!--
+            https://clickhouse.com/docs/en/operations/settings/settings#input_format_parallel_parsing -->
+            <input_format_parallel_parsing>0</input_format_parallel_parsing>
+            <!--
+            https://clickhouse.com/docs/en/operations/settings/settings#output_format_parallel_formatting -->
+            <output_format_parallel_formatting>0</output_format_parallel_formatting>
+        </default>
+    </profile>
+</clickhouse>

compose.yml

@@ -1,6 +1,6 @@
 services:
   plausible_db:
-    image: postgres:16-alpine
+    image: postgres:18-alpine
     restart: always
     volumes:
       - db-data:/var/lib/postgresql/data
@@ -11,7 +11,7 @@ services:
       start_period: 1m
 
   plausible_events_db:
-    image: clickhouse/clickhouse-server:24.3.3.102-alpine
+    image: clickhouse/clickhouse-server:25.11-alpine
     restart: always
     volumes:
       - event-data:/var/lib/clickhouse
@@ -20,16 +20,21 @@ services:
       # This makes ClickHouse bind to IPv4 only, since Docker doesn't enable IPv6 in bridge networks by default.
       # Fixes "Listen [::]:9000 failed: Address family for hostname not supported" warnings.
       - ./clickhouse/ipv4-only.xml:/etc/clickhouse-server/config.d/ipv4-only.xml:ro
+      # This makes ClickHouse consume less resources, which is useful for small setups.
+      # https://clickhouse.com/docs/en/operations/tips#using-less-than-16gb-of-ram
+      - ./clickhouse/low-resources.xml:/etc/clickhouse-server/config.d/low-resources.xml:ro
     ulimits:
       nofile:
         soft: 262144
         hard: 262144
+    environment:
+      - CLICKHOUSE_SKIP_USER_SETUP=1
     healthcheck:
       test: ["CMD-SHELL", "wget --no-verbose --tries=1 -O - http://127.0.0.1:8123/ping || exit 1"]
       start_period: 1m
 
   plausible:
-    image: ghcr.io/plausible/community-edition:v2.1.3
+    image: ghcr.io/plausible/community-edition:v3.1.0
     restart: always
     command: sh -c "/entrypoint.sh db createdb && /entrypoint.sh db migrate && /entrypoint.sh run"
     depends_on: