Add .node-version file basic support

[MatteoGauthier]

Noticed that the .node-version convention is not currently supported.

Note

This is my first Rust PR, if you have suggestion, tips or remarks 😉

• Tests are added/updated if needed

[MatteoGauthier]

Just a small question, when I run :

cargo run -- build examples/node-node-version --name node-node-version

I got this error... It's not breaking the tests but its weird, do you have any idea ?

Details

20.52 unpacking source archive /nix/store/6rn31a96dly28rhgli9nninq7dsaky9c-node-v14.21.3.tar.xz
22.29 source root is node-v14.21.3
22.39 setting SOURCE_DATE_EPOCH to timestamp 1676561550 of file node-v14.21.3/vcbuild.bat
22.40 patching sources
22.40 updateAutotoolsGnuConfigScriptsPhase
22.42 Updating Autotools / GNU config script to a newer upstream version: ./deps/cares/config.sub
22.44 Updating Autotools / GNU config script to a newer upstream version: ./deps/cares/config.guess
22.44 configuring
22.46 fixing libtool script ./deps/cares/ltmain.sh
22.47 ./deps/cares/configure
22.50 configure flags: --prefix=/nix/store/m65ddhqa3i1c4fvykqfk8vkwsk32crkf-nodejs-14.21.3 --shared-libuv --shared-libuv-libpath=/nix/store/kfdvif4lanw5zfdbhnp7hrjlrsxbzal9-libuv-1.46.0/lib --shared-openssl --shared-openssl-libpath=/nix/store/fyic70v28145nnr4s3ff03svr5w6gync-openssl-1.1.1w/lib --shared-zlib --shared-zlib-libpath=/nix/store/i6w8i3ps7x9cyyyvfif55rf1plvprp2f-zlib-1.3/lib --with-intl=system-icu --without-dtrace
22.52 Node.js configure: Found Python 3.11.5...
22.52 Please use python3.10 or python3.9 or python3.8 or python3.7 or python3.6 or python3.5 or python2.7.
23.05 error: builder for '/nix/store/fs2bjgbwk2ivs0h9cljih0j9n25nxhxf-nodejs-14.21.3.drv' failed with exit code 1
24.42 error: 1 dependencies of derivation '/nix/store/8b4ixp1kx3v239p0k1m6rh46p99qjf0l-bf744fe90419885eefced41b3e5ae442d732712d-env.drv' failed to build
------

 1 warning found (use docker --debug to expand):
 - UndefinedVar: Usage of undefined variable '$NIXPACKS_PATH' (line 18)
Dockerfile:8
--------------------
   6 |
   7 |     COPY .nixpacks/nixpkgs-bf744fe90419885eefced41b3e5ae442d732712d.nix .nixpacks/nixpkgs-bf744fe90419885eefced41b3e5ae442d732712d.nix
   8 | >>> RUN nix-env -if .nixpacks/nixpkgs-bf744fe90419885eefced41b3e5ae442d732712d.nix && nix-collect-garbage -d
   9 |
  10 |
--------------------
ERROR: failed to solve: process "/bin/bash -ol pipefail -c nix-env -if .nixpacks/nixpkgs-bf744fe90419885eefced41b3e5ae442d732712d.nix && nix-collect-garbage -d" did not complete successfully: exit code: 100
Error: Docker build failed

[iloveitaly]

Check out some of the commands in the makefile to get better errors, the default errors from running rust tests are not great

https://github.com/railwayapp/nixpacks/blob/main/Makefile

[coffee-cup]

The error is happening because there are no prebuilt binaries for Node 14 because it is such an old version and it is attempting to build it from source and there are missing dependencies needed. Using a newer version of Node should work.

[MatteoGauthier]

Hey @coffee-cup, I've updated the PR

• The version in the example is now v22 (LTS)
• Tests updated
• Example node-node-version is working well

[github-actions]

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[github-actions]

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