fix: Replace npm ci with npm install to handle missing package-lock.json

Author: Deployment Bot

backend/Dockerfile

@@ -7,7 +7,7 @@ WORKDIR /app
 COPY package*.json ./
 
 # Install dependencies
-RUN npm ci
+RUN npm install
 
 # Copy source code
 COPY . .
@@ -31,7 +31,7 @@ RUN apk add --no-cache dumb-init curl
 COPY package*.json ./
 
 # Install production dependencies only
-RUN npm ci --only=production
+RUN npm install --only=production
 
 # Copy built application from builder
 COPY --from=builder /app/dist ./dist

frontend/Dockerfile

@@ -7,7 +7,7 @@ WORKDIR /app
 COPY package*.json ./
 
 # Install dependencies
-RUN npm ci
+RUN npm install
 
 # Copy source
 COPY . .