Dockerfiles im Root + Workflow Fix

Dockerfile.web

@@ -0,0 +1,14 @@
+FROM node:22-alpine AS build
+WORKDIR /app
+COPY pnpm-lock.yaml pnpm-workspace.yaml package.json ./
+COPY apps/web/package.json apps/web/
+RUN npm install -g pnpm && pnpm install --no-frozen-lockfile
+COPY apps/web/ apps/web/
+WORKDIR /app/apps/web
+RUN pnpm run build
+
+FROM nginx:stable-alpine
+COPY --from=build /app/apps/web/dist /usr/share/nginx/html
+COPY apps/web/nginx.conf /etc/nginx/conf.d/default.conf
+EXPOSE 80
+CMD ["nginx", "-g", "daemon off;"]