fix: automatically add gcc-unwrapped when installing sharp (#1052)

* fix: automatically add gcc-unwrapped when installing sharp

* docs: add nixLibs ex to top-level config docs

docs/pages/docs/guides/configuring-builds.md

@@ -30,6 +30,7 @@ You can easily install additional Nix or Apt packages so that they are available
 ```toml
 [phases.setup]
 nixPkgs = ["...", "ffmpeg"] # Install the ffmpeg package from Nix
+nixLibs = ["...", "gcc-unwrapped"] # Install the gcc-unwrapped package from Nix and add it to the LD_LIBRARY_PATH
 aptPkgs = ["...", "wget"]   # Install the wget package with apt-get
 ```
 

src/providers/node/mod.rs

@@ -118,6 +118,10 @@ impl Provider for NodeProvider {
             setup.add_nix_pkgs(&[Pkg::new("openssl")]);
         }
 
+        if NodeProvider::uses_node_dependency(app, "sharp") {
+            setup.add_pkgs_libs(vec!["gcc-unwrapped".to_string()]);
+        }
+
         if NodeProvider::uses_node_dependency(app, "puppeteer") {
             // https://gist.github.com/winuxue/cfef08e2f5fe9dfc16a1d67a4ad38a01
             setup.add_apt_pkgs(vec![