add node 21

21/Dockerfile

@@ -0,0 +1,38 @@
+FROM node:21-alpine
+
+ENV ASUSER= \
+    UID=0 \
+    ENTRYPOINT=entrypoint.node.sh
+
+WORKDIR /app
+
+RUN adduser -D -u 1337 kool && deluser --remove-home node \
+    # deps
+    && apk add --no-cache \
+        bash \
+        git \
+        shadow \
+        su-exec \
+        curl \
+        # build tools
+        g++ \
+        libpng-dev \
+        make \
+        zlib-dev \
+    && npm install -g pnpm \
+    && rm -rf rm -rf /root/.npm/* \
+    # dockerize
+    && curl -L https://github.com/jwilder/dockerize/releases/download/v0.6.1/dockerize-alpine-linux-amd64-v0.6.1.tar.gz | tar xz \
+    && mv dockerize /usr/local/bin/dockerize
+
+COPY root-npmrc /root/.npmrc
+COPY --chown=kool:kool kool-npmrc /home/kool/.npmrc
+COPY entrypoint /entrypoint
+
+RUN chmod +x /entrypoint
+
+RUN mkdir -p /usr/local/lib/node_modules && chmod -R 777 /usr/local/lib/node_modules
+
+RUN npm i --location=global npm@latest
+
+ENTRYPOINT [ "/entrypoint" ]

21/entrypoint

@@ -0,0 +1,20 @@
+#!/bin/sh
+set -e
+
+# Run as current user
+CURRENT_USER=${ASUSER:-${UID:-0}}
+
+if [ ! -z "$CURRENT_USER" ] && [ "$CURRENT_USER" != "0" ]; then
+    usermod -u $CURRENT_USER kool
+fi
+
+# Run entrypoint if provided
+if [ ! -z "$ENTRYPOINT" ] && [ -f "$ENTRYPOINT" ]; then
+    bash $ENTRYPOINT
+fi
+
+if [ ! -z "$CURRENT_USER" ] && [ "$CURRENT_USER" != "0" ]; then
+    exec su-exec kool "$@"
+else
+    exec "$@"
+fi

21/kool-npmrc

@@ -0,0 +1,4 @@
+scripts-prepend-node-path=true
+package-import-method=copy
+shamefully-hoist=true
+store-dir=/home/kool/.pnpm-store

21/root-npmrc

@@ -0,0 +1,4 @@
+scripts-prepend-node-path=true
+package-import-method=copy
+shamefully-hoist=true
+store-dir=/root/.pnpm-store

fwd-template.json

@@ -50,6 +50,31 @@
                     "path": "template/root-npmrc"
                 }
             ]
+        },
+        {
+            "name": "21",
+            "data": {
+                "from": "node:21-alpine",
+                "version": "21"
+            },
+            "files": [
+                {
+                    "name": "Dockerfile",
+                    "path": "template/Dockerfile"
+                },
+                {
+                    "name": "entrypoint",
+                    "path": "template/entrypoint"
+                },
+                {
+                    "name": "kool-npmrc",
+                    "path": "template/kool-npmrc"
+                },
+                {
+                    "name": "root-npmrc",
+                    "path": "template/root-npmrc"
+                }
+            ]
         }
     ]
 }

kool.yml

@@ -7,3 +7,5 @@ scripts:
     - docker build --pull -t kooldev/node:18 18
     # node 20
     - docker build --pull -t kooldev/node:20 20
+    # node 21
+    - docker build --pull -t kooldev/node:21 21