Some hosts can't enforce cgroup limits for nested containers at all
(confirmed on an OpenRC-based unprivileged LXC with no systemd to
delegate cgroup controllers) — docker run fails outright trying to
write memory.max. 0 now skips requesting that cap instead of erroring
every deploy.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
nixpacks shells out to `docker build`, which defaults to BuildKit;
without the buildx CLI plugin every build failed outright.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
The manager image had git but not openssh-client, so ssh:// clones
failed outright ("cannot run ssh"). Install openssh-client, and mount
an SSH_DIR (key + known_hosts) into the container read-only so private
repos can actually authenticate — confirmed both gaps while deploying
against real private Zenvairo repos.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Nixpacks silently falls back to its own default Node version when a
repo doesn't match what it expects, instead of failing the build —
confirmed in practice as a green build that crashed at runtime on a
missing global. detectNodeVersion() reads the repo's own .nvmrc or
package.json engines.node and passes it through as
NIXPACKS_NODE_VERSION so the build actually uses what the repo
declares.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
