How to Run a Secure Self-Hosted Docker Registry on a Single DigitalOcean Droplet

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Developers frustrated by storage caps and per-seat fees on hosted container registries can self-host using the open-source registry:2 image, which consumes under 50 MB of RAM. The setup routes traffic through Nginx Proxy Manager for HTTPS termination via Let's Encrypt, while the registry container is kept off the public internet by binding only to an internal Docker network. Image layers are stored in an S3-compatible object storage bucket rather than on local disk, preventing data loss from a single point of failure and allowing unlimited growth. Authentication is handled directly by the registry via an htpasswd file to avoid header conflicts with the proxy layer. A GitHub Actions pipeline ties the workflow together, covering dependency audits, container builds, CVE scanning, image pushes, and automated deployment.

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ProgrammingDEV Community ·

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ProgrammingDEV Community ·

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ProgrammingDEV Community ·

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