fix: remove dumb-init installation and ENTRYPOINT from Dockerfile

Author: alexzedim

Dockerfile

@@ -1,9 +1,6 @@
 # Build stage
 FROM node:20-alpine AS builder
 
-# Install dumb-init for proper signal handling
-RUN apk add --no-cache dumb-init
-
 WORKDIR /app
 
 # Copy package files
@@ -21,9 +18,6 @@ RUN pnpm run build
 # Production stage
 FROM node:20-alpine
 
-# Install dumb-init for proper signal handling
-RUN apk add --no-cache dumb-init
-
 # Create non-root user
 RUN addgroup -g 1001 -S nodejs && adduser -S nextjs -u 1001
 
@@ -44,10 +38,6 @@ USER nextjs
 # Expose port
 EXPOSE 3000
 
-# Health check
-HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
-  CMD node -e "require('http').get('http://localhost:3000', (r) => {if (r.statusCode !== 200) throw new Error(r.statusCode)})"
-
 # Labels for OCI compliance and traceability
 LABEL org.opencontainers.image.title="cmnw-next" \
       org.opencontainers.image.description="CMNW Next.js application" \
@@ -56,8 +46,5 @@ LABEL org.opencontainers.image.title="cmnw-next" \
       org.opencontainers.image.source="https://github.com/alexzedim/cmnw-next" \
       org.opencontainers.image.documentation="https://github.com/alexzedim/cmnw-next"
 
-# Use dumb-init to handle signals properly (correct path for Alpine)
-ENTRYPOINT ["/usr/bin/dumb-init", "--"]
-
 # Start application
 CMD ["node_modules/.bin/next", "start"]