Add NodeJS 25 (Alpine 3.23)

NodeJS 25 is packaged in the Alpine 3.23 community repository (nodejs-current).
Also registers the image in the Makefile, the CI matrix and the README.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01CuH1NVw2JMVnBbUKHHHFXr

Author: claude

.github/workflows/docker.yml

@@ -32,6 +32,7 @@ jobs:
           - image: v22
           - image: v23
           - image: v24
+          - image: v25
 
       fail-fast: false
 

Makefile

@@ -28,3 +28,4 @@ build-v21: _docker-build-v21
 build-v22: _docker-build-v22
 build-v23: _docker-build-v23
 build-v24: _docker-build-v24
+build-v25: _docker-build-v25

README.md

@@ -15,6 +15,7 @@ Ready-to-use images for NodeJS.
 
 | NodeJS          | OS           | Tag           |
 |-----------------|--------------|---------------|
+| NodeJS 25       | Alpine v3.23 | v25           |
 | NodeJS 24       | Alpine v3.23 | v24           |
 | NodeJS 23       | Alpine v3.21 | v23           |
 | NodeJS 22       | Alpine v3.22 | v22           |

v25/Dockerfile

@@ -0,0 +1,12 @@
+FROM dockette/alpine:3.23
+
+RUN echo '@community http://nl.alpinelinux.org/alpine/v3.23/community' >> /etc/apk/repositories && \
+    apk update && apk upgrade && \
+    # DEPENDENCIES #############################################################
+    apk add --update git && \
+    # NODEJS ###################################################################
+    apk add --update nodejs-current@community npm && \
+    # CLEAN UP #################################################################
+    rm -rf /var/cache/apk/*
+
+CMD nodejs