feat(appservice): mosaic-as daemon host + container (M4a) (#531)

docker/appservice.Dockerfile

@@ -0,0 +1,28 @@
+FROM node:22-alpine AS base
+ENV PNPM_HOME="/pnpm"
+ENV PATH="$PNPM_HOME:$PATH"
+RUN corepack enable
+
+FROM base AS builder
+WORKDIR /app
+# Copy workspace manifests first for layer-cached install
+COPY pnpm-workspace.yaml pnpm-lock.yaml package.json ./
+COPY apps/appservice/package.json ./apps/appservice/
+COPY packages/ ./packages/
+COPY plugins/ ./plugins/
+RUN pnpm install --frozen-lockfile
+COPY . .
+RUN pnpm turbo run build --filter @mosaicstack/mosaic-as...
+RUN pnpm --filter @mosaicstack/mosaic-as --prod deploy --legacy /deploy
+
+FROM base AS runner
+WORKDIR /app
+ENV NODE_ENV=production
+COPY --from=builder /deploy/node_modules ./node_modules
+COPY --from=builder /deploy/package.json ./package.json
+COPY --from=builder /app/apps/appservice/dist ./dist
+USER node
+EXPOSE 8008
+HEALTHCHECK --interval=30s --timeout=5s --start-period=15s --retries=5 \
+  CMD ["node", "-e", "require('http').get('http://127.0.0.1:8008/health',r=>process.exit(r.statusCode===200?0:1)).on('error',()=>process.exit(1))"]
+CMD ["node", "dist/main.js"]