fix: nedgradera Prisma till 6.12.0, Prisma 7 kräver driver adapters för MySQL

backend/Dockerfile

@@ -7,7 +7,6 @@ WORKDIR /app
 # Kopiera backend-filer
 COPY package.json ./
 COPY prisma ./prisma
-COPY prisma.config.ts ./
 COPY src ./src
 COPY tsconfig.json ./
 COPY nest-cli.json ./
@@ -26,7 +25,6 @@ ENV NODE_ENV=production
 COPY --from=builder /app/package.json ./package.json
 COPY --from=builder /app/node_modules ./node_modules
 COPY --from=builder /app/prisma ./prisma
-COPY --from=builder /app/prisma.config.ts ./prisma.config.ts
 COPY --from=builder /app/dist ./dist
 
 EXPOSE 8080