refactor: refs #6695 update Docker setup for Cypress and remove obsolete files

Jenkinsfile

@@ -99,7 +99,7 @@ pipeline {
                         script {
                             sh "docker-compose ${env.COMPOSE_PARAMS} up -d"
 
-                            def image = docker.build('cypress-setup', '-f ./test/cypress/Dockerfile .')
+                            def image = docker.build('lilium-dev', '-f docs/Dockerfile docs')
                             image.inside("--network ${env.COMPOSE_PROJECT}_default -e TZ -e CI") {
                                 sh 'pwd'
                                 sh 'ls -l'

docs/Dockerfile

@@ -1,16 +1,20 @@
-FROM node:lts-bookworm
+FROM debian:12.9-slim
 
-ENV SHELL bash
-ENV PNPM_HOME="/pnpm"
-ENV PATH="$PNPM_HOME:$PATH"
+ARG DEBIAN_FRONTEND=noninteractive
 
-RUN npm install -g pnpm@8.15.1 && \
-    pnpm setup && \
-    pnpm install -g @quasar/cli@2.2.1
+RUN apt-get update \
+    && apt-get install -y --no-install-recommends \
+        ca-certificates \
+        curl \
+        gnupg2 \
+    && curl -fsSL https://deb.nodesource.com/setup_20.x | bash - \
+    && apt-get install -y --no-install-recommends nodejs \
+    && npm install -g corepack@0.31.0 \
+    && corepack enable pnpm \
+    && rm -rf /var/lib/apt/lists/*
 
-RUN apt-get -y --fix-missing update && \
-    apt-get -y --fix-missing upgrade && \
-    apt-get -y --no-install-recommends install \
+RUN apt-get update \
+    && apt-get -y --no-install-recommends install \
         apt-utils \
         chromium \
         libasound2 \
@@ -25,3 +29,14 @@ RUN apt-get -y --fix-missing update && \
         xvfb \
     && apt-get clean \
     && rm -rf /var/lib/apt/lists/*
+
+RUN useradd -r -u 1000 -m -d /home/dev-user dev-user
+USER dev-user
+
+ENV SHELL bash
+ENV PNPM_HOME="/home/dev-user/.local/share/pnpm"
+ENV PATH="$PNPM_HOME:$PATH"
+
+RUN pnpm setup \
+    && pnpm install --global cypress@13.6.6 \
+    && cypress install

test/cypress/Dockerfile

@@ -1,5 +0,0 @@
-FROM alexmorenovn/vndev:latest
-
-USER node
-RUN pnpm install --global cypress@13.6.6 && cypress install
-WORKDIR /app