Install openssl in server runtime image

Prisma's schema engine requires libssl on Alpine.
Without it, migrate deploy fails with a JSON parse error
wrapping an ELF load failure.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

server/Dockerfile

@@ -7,6 +7,7 @@ RUN npx prisma generate
 RUN npm run build
 
 FROM node:22-alpine
+RUN apk add --no-cache openssl
 WORKDIR /app
 COPY --from=build /app/dist ./dist
 COPY --from=build /app/node_modules ./node_modules