https://codenx.com/postgresql/postgresql-secure-vps/2026-07-23T00:00:00.000Zhttps://codenx.com/images/articles/postgresql-secure-vps/banner.webpHow to Run PostgreSQL Securely on a VPSA PostgreSQL server bound to a private interface with role privileges listedhttps://codenx.com/github-actions/github-actions-deployment-pipeline/2026-07-01T00:00:00.000Zhttps://codenx.com/images/articles/github-actions-deployment-pipeline/banner.webpHow to Build a GitHub Actions Deployment PipelineA three-stage GitHub Actions pipeline running test, build and deploy jobshttps://codenx.com/screenshots/github-actions-deployment-pipeline/environment-approval.webpA required reviewer turns an accidental merge into a prompt instead of a deploy.A GitHub Actions deploy job waiting on a required reviewer for the production environmenthttps://codenx.com/meilisearch/meilisearch-production-setup/2026-06-17T00:00:00.000Zhttps://codenx.com/images/articles/meilisearch-production-setup/banner.webpHow to Run Meilisearch in Production with DockerA Meilisearch container serving search requests behind a reverse proxyhttps://codenx.com/screenshots/meilisearch-production-setup/task-list.webpSettings changes are asynchronous tasks — always check the task, not the HTTP status.The Meilisearch tasks endpoint showing a completed settings updatehttps://codenx.com/ai-agents/ai-coding-agent-workflow/2026-06-03T00:00:00.000Zhttps://codenx.com/images/articles/ai-coding-agent-workflow/banner.webpAn AI Coding Agent Workflow That Keeps Diffs ReviewableA git diff view next to an agent session log showing a single scoped taskhttps://codenx.com/screenshots/ai-coding-agent-workflow/worktree-layout.webpOne worktree per task keeps parallel sessions from fighting over the index.Two git worktrees open side by side, one per agent taskhttps://codenx.com/claude-code/claude-code-existing-typescript-project/2026-07-02T00:00:00.000Zhttps://codenx.com/images/articles/claude-code-existing-typescript-project/banner.webpHow to Use Claude Code on an Existing TypeScript ProjectA terminal running Claude Code beside a TypeScript project treehttps://codenx.com/screenshots/claude-code-existing-typescript-project/permissions-prompt.webpEvery command outside the allow list stops for approval before it runs.Claude Code asking for approval before running an unlisted bash commandhttps://codenx.com/screenshots/claude-code-existing-typescript-project/typecheck-hook.webpA PostToolUse hook turns every edit into a compile check.A PostToolUse hook running tsc immediately after a file edithttps://codenx.com/traefik/cloudflare-tunnel-traefik/2026-05-05T00:00:00.000Zhttps://codenx.com/images/articles/cloudflare-tunnel-traefik/banner.webpHow to Run Cloudflare Tunnel in Front of TraefikAn outbound tunnel from a Docker host to Cloudflare with all inbound ports closedhttps://codenx.com/screenshots/cloudflare-tunnel-traefik/tunnel-hostnames.webpOne public hostname per service, all pointing at the same Traefik entrypoint.Cloudflare Zero Trust dashboard listing public hostnames routed to a tunnelhttps://codenx.com/screenshots/cloudflare-tunnel-traefik/tunnel-healthy.webpFour connections is normal — cloudflared dials two data centres, twice each.A Cloudflare tunnel showing four healthy connector connectionshttps://codenx.com/dokploy/dokploy-zero-downtime-health-checks/2026-04-21T00:00:00.000Zhttps://codenx.com/images/articles/dokploy-zero-downtime-health-checks/banner.webpZero-Downtime Deploys in Dokploy with Docker Health ChecksA Docker Swarm rolling update replacing one task at a time behind Traefikhttps://codenx.com/screenshots/dokploy-zero-downtime-health-checks/service-ps.webpDuring a start-first update both versions are briefly live at once.docker service ps output showing a new task running while the old one shuts downhttps://codenx.com/astro/deploy-astro-cloudflare-workers/2026-07-14T00:00:00.000Zhttps://codenx.com/images/articles/deploy-astro-cloudflare-workers/banner.webpHow to Deploy an Astro Site to Cloudflare WorkersAn Astro build output being uploaded to the Cloudflare Workers edgehttps://codenx.com/screenshots/deploy-astro-cloudflare-workers/wrangler-deploy.webpWrangler prints the deployed version id — keep it, rollbacks need it.Wrangler deploy output showing uploaded assets and the workers.dev URLhttps://codenx.com/docker/backup-docker-volumes-automatically/2026-07-06T00:00:00.000Zhttps://codenx.com/images/articles/backup-docker-volumes-automatically/banner.webpHow to Back Up Docker Volumes AutomaticallyA nightly systemd timer copying Docker volume snapshots to offsite storagehttps://codenx.com/screenshots/backup-docker-volumes-automatically/timer-list.webpA timer that has never fired is the most common silent backup failure.systemctl list-timers output showing the next scheduled backup runhttps://codenx.com/dokploy/dokploy-vs-coolify-self-hosting/2026-07-22T00:00:00.000Zhttps://codenx.com/images/articles/dokploy-vs-coolify-self-hosting/banner.webpDokploy vs Coolify: Choosing a Self-Hosting PlatformSplit view of the Dokploy and Coolify deployment dashboards side by sidehttps://codenx.com/screenshots/dokploy-vs-coolify-self-hosting/dokploy-project.webpDokploy groups applications, databases and Compose stacks into projects.A Dokploy project page listing an application and a PostgreSQL databasehttps://codenx.com/screenshots/dokploy-vs-coolify-self-hosting/coolify-resources.webpCoolify's model is servers first, then resources placed on them.The Coolify dashboard showing resources attached to a serverhttps://codenx.com/troubleshooting/fix-docker-too-many-open-files/2026-05-28T00:00:00.000Zhttps://codenx.com/images/articles/fix-docker-too-many-open-files/banner.webpHow to Fix the Docker Too Many Open Files Error on UbuntuA terminal showing an accept4 too many open files error in a container loghttps://codenx.com/vps/secure-vps-running-docker/2026-07-08T00:00:00.000Zhttps://codenx.com/images/articles/secure-vps-running-docker/banner.webpHow to Secure a VPS That Runs Docker ContainersA firewall rule list beside a Docker container port mapping diagramhttps://codenx.com/screenshots/secure-vps-running-docker/ufw-status.webpThree inbound rules is the target state for a web-facing host.Terminal showing ufw status numbered with a minimal allow listhttps://codenx.com/cloudflare/point-cloudflare-domain-to-vps/2026-02-26T00:00:00.000Zhttps://codenx.com/images/articles/point-cloudflare-domain-to-vps/banner.webpHow to Point a Cloudflare Domain at Your VPSA Cloudflare DNS record row with the orange proxy cloud enabledhttps://codenx.com/screenshots/point-cloudflare-domain-to-vps/dns-record.webpThe orange cloud means traffic goes through Cloudflare before it reaches your server.Cloudflare DNS panel showing an A record with proxy status enabledhttps://codenx.com/screenshots/point-cloudflare-domain-to-vps/ssl-mode.webpFull (strict) is the only mode that validates your origin certificate.The Cloudflare SSL/TLS encryption mode selector set to Full stricthttps://codenx.com/n8n/deploy-n8n-vps-docker/2026-06-20T00:00:00.000Zhttps://codenx.com/images/articles/deploy-n8n-vps-docker/banner.webpHow to Deploy n8n on an Ubuntu VPS with DockerAn n8n workflow canvas running behind a Docker Compose stack on a VPShttps://codenx.com/screenshots/deploy-n8n-vps-docker/owner-setup.webpThe first browser visit creates the owner account. Do this immediately.The n8n owner account setup screen on a fresh installhttps://codenx.com/screenshots/deploy-n8n-vps-docker/compose-ps.webpAll three services should report running before you open the UI.Terminal output of docker compose ps showing three healthy services