DevOps

Overview “The path … is not shared from the host and is not known to Docker” appears when a bind mount points to a host path Docker Desktop cannot access. This is common on macOS and Windows when the directory or drive is not added to......

Overview The Docker error invalid mount config for type "bind": source path must be a directory means the host-side path you provided for a bind mount is either missing, not a directory (when Docker expects one), or incorrectly......

What this error means Error: bind mount failed: source path does not exist Docker could not find the host-side path you asked it to mount into the container. The path must exist and be reachable by the Docker daemon (which might be running......

What this guide covers You’ll learn how to diagnose and fix mounts denied and file sharing errors on Docker Desktop for macOS and Windows. We focus on path correctness, Docker Desktop settings, WSL2 specifics, and reliable volume mounts......

What this error means Docker’s overlay2 storage driver mounts an overlay filesystem to assemble container layers. The error “error creating overlay mount: operation not permitted” indicates the kernel refused the mount. Common......

What this error means You tried to pull or push an image and the registry’s token service refused your request. The token you presented is valid, but it lacks the required scope (permissions) for the repository or action (pull,......

Overview The error toomanyrequests: rate exceeded occurs when Docker Hub throttles image pulls. This typically happens in CI/CD, Kubernetes clusters, or NATed networks where many machines share an IP or unauthenticated pulls. Common......

Overview The error "no basic auth credentials" means the Docker client does not have usable credentials for the registry you’re pushing to. Common causes: You didn’t run docker login for that registry. The image is tagged for a......

Overview Docker pull or docker build failing with: x509: certificate signed by unknown authority means a TLS certificate in the chain can’t be verified against the trust store used by the Docker Engine or the image you’re building from.......

Overview A container showing “Temporary failure in name resolution” cannot resolve DNS names. Common causes: Host DNS misconfiguration (VPN, corporate DNS, systemd-resolved). Docker’s embedded DNS (127.0.0.11) not reaching upstream......

What this error means Docker containers resolve DNS via an embedded resolver (127.0.0.11) that forwards to your host’s DNS. If the host DNS is unreachable, misconfigured, or filtered (VPN, firewall, proxy), you may see errors like: Get......

Overview This guide fixes the Docker error: Get https://registry-1.docker.io/v2/: net/http: TLS handshake timeout It occurs when the Docker client cannot complete the TLS handshake with Docker Hub (registry-1.docker.io). Common causes:......