diff --git a/backend/services/backup-service/Dockerfile b/backend/services/backup-service/Dockerfile
index d9ef74d4..a34bbcb4 100644
--- a/backend/services/backup-service/Dockerfile
+++ b/backend/services/backup-service/Dockerfile
@@ -1,13 +1,8 @@
 # Stage 1: Build
-FROM node:20-slim AS builder
+FROM node:20-alpine AS builder
 
 WORKDIR /app
 
-# Install OpenSSL for Prisma
-RUN apt-get update && apt-get install -y --no-install-recommends \
-    openssl \
-    && rm -rf /var/lib/apt/lists/*
-
 # Copy package files
 COPY package*.json ./
 COPY prisma ./prisma/
@@ -18,26 +13,20 @@ RUN npm ci
 # Copy source code
 COPY . .
 
-# Generate Prisma client (dummy DATABASE_URL for build time only)
-RUN DATABASE_URL="postgresql://user:pass@localhost:5432/db" npx prisma generate
+# Generate Prisma client
+RUN npx prisma generate
 
 # Build the application
 RUN npm run build
 
-# Stage 2: Production - use Debian slim for OpenSSL compatibility
-FROM node:20-slim AS production
+# Stage 2: Production
+FROM node:20-alpine AS production
 
 WORKDIR /app
 
-# Install OpenSSL and curl for health checks
-RUN apt-get update && apt-get install -y --no-install-recommends \
-    openssl \
-    curl \
-    && rm -rf /var/lib/apt/lists/*
-
 # Create non-root user for security
-RUN groupadd -g 1001 nodejs && \
-    useradd -u 1001 -g nodejs nestjs
+RUN addgroup -g 1001 -S nodejs && \
+    adduser -S nestjs -u 1001
 
 # Copy package files
 COPY package*.json ./
@@ -60,8 +49,8 @@ USER nestjs
 EXPOSE 3002
 
 # Health check
-HEALTHCHECK --interval=30s --timeout=3s --start-period=40s --retries=3 \
-    CMD curl -f http://localhost:3002/health || exit 1
+HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
+    CMD wget --no-verbose --tries=1 --spider http://localhost:3002/health || exit 1
 
 # Start the application
-CMD ["node", "dist/src/main.js"]
+CMD ["node", "dist/main.js"]
diff --git a/backend/services/mpc-service/Dockerfile b/backend/services/mpc-service/Dockerfile
index 0bbdb7e3..22aec8a4 100644
--- a/backend/services/mpc-service/Dockerfile
+++ b/backend/services/mpc-service/Dockerfile
@@ -2,16 +2,11 @@
 # MPC Party Service Dockerfile
 # =============================================================================
 
-# Build stage - use Debian slim for better Prisma compatibility
-FROM node:20-slim AS builder
+# Build stage
+FROM node:20-alpine AS builder
 
 WORKDIR /app
 
-# Install OpenSSL for Prisma
-RUN apt-get update && apt-get install -y --no-install-recommends \
-    openssl \
-    && rm -rf /var/lib/apt/lists/*
-
 # Copy package files
 COPY package*.json ./
 COPY tsconfig.json ./
@@ -21,8 +16,8 @@ COPY prisma ./prisma/
 # Install dependencies
 RUN npm ci
 
-# Generate Prisma client (dummy DATABASE_URL for build time only)
-RUN DATABASE_URL="postgresql://user:pass@localhost:5432/db" npx prisma generate
+# Generate Prisma client
+RUN npx prisma generate
 
 # Copy source code
 COPY src ./src
@@ -30,34 +25,25 @@ COPY src ./src
 # Build TypeScript
 RUN npm run build
 
-# Verify build output exists
-RUN ls -la dist/ && test -f dist/main.js
-
-# Production stage - use Debian slim for OpenSSL compatibility
-FROM node:20-slim
+# Production stage
+FROM node:20-alpine
 
 WORKDIR /app
 
-# Install OpenSSL and curl for health checks
-RUN apt-get update && apt-get install -y --no-install-recommends \
-    openssl \
-    curl \
-    && rm -rf /var/lib/apt/lists/*
-
 # Install production dependencies only
 COPY package*.json ./
 RUN npm ci --only=production
 
-# Copy Prisma schema and generate client (dummy DATABASE_URL for build time only)
+# Copy Prisma schema and generate client
 COPY prisma ./prisma/
-RUN DATABASE_URL="postgresql://user:pass@localhost:5432/db" npx prisma generate
+RUN npx prisma generate
 
 # Copy built files
 COPY --from=builder /app/dist ./dist
 
 # Create non-root user
-RUN groupadd -g 1001 nodejs && \
-    useradd -u 1001 -g nodejs nestjs
+RUN addgroup -g 1001 -S nodejs && \
+    adduser -S nestjs -u 1001
 
 # Create temp directory for TSS
 RUN mkdir -p /tmp/tss && chown -R nestjs:nodejs /tmp/tss
@@ -70,7 +56,7 @@ EXPOSE 3006
 
 # Health check
 HEALTHCHECK --interval=30s --timeout=3s --start-period=40s --retries=3 \
-  CMD curl -f http://localhost:3006/api/v1/health || exit 1
+  CMD node -e "require('http').get('http://localhost:3006/api/v1/health', (r) => {process.exit(r.statusCode === 200 ? 0 : 1)})"
 
 # Start service
 CMD ["node", "dist/main.js"]