build: require Node.js 22 and base container on alpine 3.21

.dockerignore

@@ -2,14 +2,14 @@
 *.md
 **/*.test.*
 **/test.*
-botfather-settings
-coverage
 dist
 Dockerfile
-init-debug-environment.sh
 node_modules
 test
 
+botfather-settings
+init-debug-environment.sh
+
 # botfiles
 additionalEvents
 eventfiles

.github/workflows/nodejs.yml

@@ -13,7 +13,7 @@ jobs:
     steps:
       - uses: actions/setup-node@v4
         with:
-          node-version: 20
+          node-version: 22
       - uses: actions/checkout@v4
       - run: npm ci
       - run: npm test

Dockerfile

@@ -1,4 +1,4 @@
-FROM docker.io/library/node:20-alpine AS builder
+FROM docker.io/library/node:22-alpine AS builder
 RUN apk upgrade --no-cache
 WORKDIR /build
 COPY package.json package-lock.json ./
@@ -7,16 +7,16 @@ COPY . ./
 RUN node_modules/.bin/tsc
 
 
-FROM docker.io/library/node:20-alpine AS packages
+FROM docker.io/library/node:22-alpine AS packages
 RUN apk upgrade --no-cache
 WORKDIR /build
 COPY package.json package-lock.json ./
 RUN npm ci --no-audit --no-fund --no-update-notifier --omit=dev
 
 
-FROM docker.io/library/node:20-alpine AS final
+FROM docker.io/library/alpine:3.21 AS final
 RUN apk upgrade --no-cache \
-	&& apk --no-cache add git
+	&& apk add --no-cache nodejs git
 
 WORKDIR /app
 ENV NODE_ENV=production