fix: implement Lean Docker strategy with mintel/runtime and remove explicit container_name fields

packages/infra/docker/Dockerfile.app-template

@@ -20,27 +20,14 @@ ENV DIRECTUS_URL=$DIRECTUS_URL
 RUN pnpm --filter ${APP_NAME:-app} build
 
 # Production runner image
-FROM node:20-alpine AS runner
+FROM registry.infra.mintel.me/mintel/runtime:latest AS runner
 WORKDIR /app
 
-# Install curl for health checks
-RUN apk add --no-cache curl
-
-ENV NODE_ENV=production
-ENV NEXT_TELEMETRY_DISABLED=1
-
-RUN addgroup --system --gid 1001 nodejs
-RUN adduser --system --uid 1001 nextjs
-
 # Copy standalone output and static files
-# Note: The path depends on the app name
 COPY --from=builder --chown=nextjs:nodejs /app/apps/${APP_NAME:-app}/public ./apps/${APP_NAME:-app}/public
 COPY --from=builder --chown=nextjs:nodejs /app/apps/${APP_NAME:-app}/.next/standalone ./
 COPY --from=builder --chown=nextjs:nodejs /app/apps/${APP_NAME:-app}/.next/static ./apps/${APP_NAME:-app}/.next/static
 
 USER nextjs
-EXPOSE 3000
-ENV PORT=3000
-ENV HOSTNAME="0.0.0.0"
 
 CMD ["node", "apps/${APP_NAME:-app}/server.js"]

packages/infra/docker/Dockerfile.runtime

@@ -0,0 +1,19 @@
+FROM node:20-alpine
+
+# Install essential production utilities
+RUN apk add --no-cache curl libc6-compat
+
+# Set standard production environment
+ENV NODE_ENV=production
+ENV NEXT_TELEMETRY_DISABLED=1
+ENV PORT=3000
+ENV HOSTNAME="0.0.0.0"
+
+WORKDIR /app
+
+# Create non-root user for security
+RUN addgroup --system --gid 1001 nodejs && \
+    adduser --system --uid 1001 nextjs
+
+# Expose the default Next.js port
+EXPOSE 3000

packages/infra/docker/docker-compose.template.yml

@@ -39,7 +39,6 @@ services:
 
   gatekeeper:
     image: registry.infra.mintel.me/mintel/gatekeeper:${IMAGE_TAG:-latest}
-    container_name: ${PROJECT_NAME}-gatekeeper
     restart: always
     networks:
       - infra