Hello,
I am discovering fly.io and tested it on a simple rails app that powers a static site, but the deploy failed.
> $ flyctl launch
Creating app in /home/gui/work/web/polygonjs/lab/site
Scanning source code
Detected a Dockerfile app
? App Name (leave blank to use an auto-generated name): polygon-lab
Automatically selected personal organization: guillaume fradin
? Select region: lhr (London, United Kingdom)
Created app polygon-lab in organization personal
Wrote config file fly.toml
? Would you like to setup a Postgresql database now? No
? Would you like to deploy now? Yes
Deploying polygon-lab
==> Validating app configuration
--> Validating app configuration done
Services
TCP 80/443 ⇢ 8080
WARN Remote builder did not start in time. Check remote builder logs with `flyctl logs -a fly-builder-bold-wood-8996`
Error error connecting to docker: remote builder app unavailable
> $ flyctl logs -a fly-builder-bold-wood-8996
2022-05-10T10:46:09Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/admin/meshcentral/yarn.nix
2022-05-10T10:46:09Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/admin/oci-cli/
2022-05-10T10:46:09Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/admin/pgadmin/yarn.lock
2022-05-10T10:46:09Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/admin/pgadmin/yarn.nix
2022-05-10T10:46:09Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/admin/procs/
2022-05-10T10:46:09Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/admin/procs/default.nix
2022-05-10T10:46:09Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/admin/pulumi/
2022-05-10T10:46:09Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/admin/pulumi/data.nix
2022-05-10T10:46:09Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/admin/tigervnc/
2022-05-10T10:46:09Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/archivers/afio/
2022-05-10T10:46:09Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/archivers/afio/default.nix
2022-05-10T10:46:09Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/archivers/ndstool/
2022-05-10T10:46:09Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/archivers/unar/
2022-05-10T10:46:09Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/archivers/unar/default.nix
2022-05-10T10:46:09Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/archivers/unzip/CVE-2014-8140.diff
2022-05-10T10:46:09Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/audio/
2022-05-10T10:46:09Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/audio/abcm2ps/
2022-05-10T10:46:09Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/audio/abcm2ps/default.nix
2022-05-10T10:46:09Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/audio/accuraterip-checksum/
2022-05-10T10:46:09Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/audio/accuraterip-checksum/default.nix
2022-05-10T10:46:09Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/audio/acousticbrainz-client/
2022-05-10T10:46:09Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/audio/botamusique/
2022-05-10T10:46:09Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/audio/botamusique/default.nix
2022-05-10T10:46:09Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/audio/botamusique/src.json
2022-05-10T10:46:09Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/audio/botamusique/unconditional-relative-state-paths.patch
2022-05-10T10:46:09Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/audio/ezstream/
2022-05-10T10:46:09Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/audio/mp3cat/
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/audio/mpdcron/
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/audio/mpdcron/Gemfile.lock
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/audio/opl3bankeditor/
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/audio/trx/
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/audio/tts/
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/backup/
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/backup/android-backup-extractor/
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/backup/bdsync/
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/backup/borgbackup/
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/backup/borgbackup/default.nix
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/backup/borgmatic/
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/backup/discordchatexporter-cli/updater.sh
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/backup/duplicity/
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/backup/mastodon-archive/
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/backup/monolith/
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/backup/mydumper/
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/backup/restic/
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/backup/tsm-client/
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/backup/zfs-replicate/
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/bluetooth/
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/bluetooth/obex-data-server/
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/bluetooth/obex-data-server/default.nix
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/bluetooth/obexd/
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/bluetooth/obexftp/
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/compression/bsdiff/default.nix
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/compression/bzip2/
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/compression/pigz/
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/compression/zdelta/
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/compression/zdelta/default.nix
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/filesystems/apfs-fuse/
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/filesystems/apfs-fuse/default.nix
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/filesystems/ciopfs/
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/filesystems/darling-dmg/
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/filesystems/djmount/
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/filesystems/file-rename/
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/filesystems/httm/
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/filesystems/idsk/
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/filesystems/mergerfs/
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/filesystems/rar2fs/
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/filesystems/rmfuse/update
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/filesystems/squashfs/default.nix
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/filesystems/wiimms-iso-tools/fix-paths.diff
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/games/minecraft/optifine/generic.nix
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/graphics/
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/graphics/cuneiform/
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/graphics/dpic/
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/graphics/glxinfo/
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/graphics/icoutils/default.nix
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/graphics/leela/
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/graphics/pfstools/pfstools.patch
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/graphics/pngtoico/
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/graphics/qrcode/
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/graphics/qrcode/default.nix
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/graphics/quirc/
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/graphics/rocket/
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/graphics/sic-image-cli/
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/graphics/xcftools/
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/graphics/xcur2png/
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/inputmethods/
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/inputmethods/evscript/default.nix
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/inputmethods/fcitx-engines/fcitx-mozc/
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/inputmethods/fcitx5/
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/inputmethods/fcitx5/update.py
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/inputmethods/fcitx5/with-addons.nix
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/inputmethods/fusuma/gemset.nix
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/inputmethods/ibus-engines/ibus-table-others/
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/inputmethods/ibus/
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/inputmethods/ibus/default.nix
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/inputmethods/kime/
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/inputmethods/skk/skktools/
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/inputmethods/skk/skktools/default.nix
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/inputmethods/tegaki-zinnia-japanese/
2022-05-10T10:46:10Z app[4369c660] lhr [info]store/f6v195p56gq9inl3065r0qjrbidmmp37-nixpkgs/nixpkgs/pkgs/tools/inputmethods/tegaki-zinnia-japanese/default.nix
I don’t have a docker app, so this may be needed, but I would assume a message would confirm this?
Curious to see if anybody has some thoughts on this.