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feat(agent): report isDocker so the web shows a docker pull command

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The binary self-update hard-stops inside a container (internal/upgrade
refuses when /.dockerenv exists), so the web's in-app 'force update' button
is futile for Docker agents. Report whether we run in a container via a new
RunningInDocker() helper (UNARR_DOCKER env baked into the image, /.dockerenv
fallback for podman/containerd) on every register + sync, so the web can
swap the button for a copy-paste 'docker compose pull' command.
This commit is contained in:
Deivid Soto 2026-06-03 18:09:29 +02:00
parent ccd50e7c8e
commit 2148b0e2cc
5 changed files with 42 additions and 0 deletions
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@ -93,6 +93,12 @@ ENV UNARR_CONFIG_DIR=/config
ENV UNARR_DOWNLOAD_DIR=/downloads
ENV XDG_DATA_HOME=/data
# Mark this as a container install so the agent reports isDocker=true to the web
# (which then shows a `docker pull` command instead of the in-app update button —
# the binary self-update refuses to run in Docker). Covers podman/containerd too,
# which don't create /.dockerenv. See internal/agent/RunningInDocker.
ENV UNARR_DOCKER=1
# NVIDIA passthrough defaults. `--gpus all` alone only grants the "utility" +
# "compute" capabilities; nvenc needs "video", and "graphics" makes the runtime
# mount the NVIDIA Vulkan ICD (nvidia_icd.json — the load-bearing piece — plus