diff --git a/Dockerfile b/Dockerfile
index 5d2bbb8..ed7b95e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -6,7 +6,7 @@ FROM node:22-alpine AS frontend-build
 WORKDIR /app/frontend
 
 # Copy package files
-COPY frontend/package.json frontend/pnpm-lock.yaml* frontend/yarn.lock* frontend/package-lock.json* ./
+COPY frontend/package.json frontend/package-lock.json ./
 
 # Install dependencies
 RUN npm install --legacy-peer-deps
@@ -25,7 +25,7 @@ FROM node:22-alpine AS backend-build
 WORKDIR /app/backend
 
 # Copy package files
-COPY backend/package.json backend/pnpm-lock.yaml* backend/yarn.lock* backend/package-lock.json* ./
+COPY backend/package.json backend/package-lock.json ./
 
 # Install dependencies
 RUN npm install --legacy-peer-deps
@@ -66,7 +66,7 @@ ENV UPLOAD_DIR=/app/uploads
 EXPOSE 3001
 
 # Health check
-HEALTHCHECK --interval=30s --timeout=10s --start-period=10s --retries=3 \
+HEALTHCHECK --interval=30s --timeout=10s --start-period=15s --retries=3 \
   CMD curl -f http://localhost:3001/api/health || exit 1
 
 # Start the application
diff --git a/Dockerfile.migrate b/Dockerfile.migrate
index b10d466..5569f1b 100644
--- a/Dockerfile.migrate
+++ b/Dockerfile.migrate
@@ -4,10 +4,10 @@ FROM node:22-alpine
 WORKDIR /app/backend
 
 # Copy package files
-COPY backend/package.json backend/pnpm-lock.yaml* backend/yarn.lock* backend/package-lock.json* ./
+COPY backend/package.json backend/package-lock.json ./
 
 # Install dependencies
-RUN npm install --legacy-peer-deps
+RUN npm ci --legacy-peer-deps
 
 # Copy source code
 COPY backend/ ./