chore: bump required Node.js version

dev/container/docker-compose.yml

@@ -2,7 +2,7 @@ version: "3"
 
 services:
   web:
-    image: docker.io/node:18.19.0-bookworm
+    image: docker.io/node:18.20.0-bookworm
     container_name: firefish_web
     restart: unless-stopped
     depends_on:

dev/docs/local-installation.md

@@ -15,7 +15,7 @@ sudo apt install build-essential python3 curl wget git lsb-release
 
 ### Node.js
 
-Firefish requires Node.js v18.19.0 or later. While you can choose any versions between v18.19.0 and the latest version (v22.2.0 as of writing), we recommend that you install v18.x so as not to use new features inadvertently and introduce incompatibility issues.
+Firefish requires Node.js v18.20.0 or later. While you can choose any versions between v18.20.0 and the latest version (v22.2.0 as of writing), we recommend that you install v18.x so as not to use new features inadvertently and introduce incompatibility issues.
 
 Instructions can be found at [this repository](https://github.com/nodesource/distributions).
 

docs/install.md

@@ -8,7 +8,7 @@ Firefish depends on the following software.
 
 ### Runtime dependencies
 
-- At least [NodeJS](https://nodejs.org/en/) v18.19.0 (v20/v22 recommended)
+- At least [NodeJS](https://nodejs.org/en/) v18.20.0 (v20/v22 recommended)
 - At least [PostgreSQL](https://www.postgresql.org/) v12 (v16 recommended) with [PGroonga](https://pgroonga.github.io/) extension
 - At least [Redis](https://redis.io/) v7 or [Valkey](https://valkey.io/) v7
 - Web Proxy (one of the following)

packages/backend/src/boot/master.ts

@@ -70,7 +70,7 @@ function showNodejsVersion(): void {
 
 	nodejsLogger.info(`Version ${process.version} detected.`);
 
-	const minVersion = "v18.19.0";
+	const minVersion = "v18.20.0";
 	if (semver.lt(process.version, minVersion)) {
 		nodejsLogger.error(`At least Node.js ${minVersion} required!`);
 		process.exit(1);