diff --git a/Dockerfile b/Dockerfile
index 815af68..36439cd 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,6 +8,8 @@ RUN npm run build
 
 # ── Backend bauen (Express + TS + Prisma) ──
 FROM node:20-alpine AS server-build
+# Prisma braucht OpenSSL zur Erkennung der libssl-Version (sonst Fallback auf 1.1.x -> Engine-Ladefehler)
+RUN apk add --no-cache openssl
 WORKDIR /app/server
 COPY server/package*.json ./
 RUN npm install
@@ -17,6 +19,8 @@ RUN npm run build
 
 # ── Laufzeit-Image ──
 FROM node:20-alpine
+# OpenSSL auch zur Laufzeit für "prisma migrate deploy" nötig
+RUN apk add --no-cache openssl
 WORKDIR /app
 ENV NODE_ENV=production
 COPY --from=server-build /app/server/node_modules ./node_modules
diff --git a/server/prisma/schema.prisma b/server/prisma/schema.prisma
index 4d1868c..276cb29 100644
--- a/server/prisma/schema.prisma
+++ b/server/prisma/schema.prisma
@@ -1,5 +1,6 @@
 generator client {
-  provider = "prisma-client-js"
+  provider      = "prisma-client-js"
+  binaryTargets = ["native", "linux-musl-openssl-3.0.x"]
 }
 
 datasource db {