Add nix overrides to include lmdb and sqlite3 libraries

default.nix

@@ -95,6 +95,25 @@ in let
           features = if release then [ "kubernetes-discovery" ] else [];
         };
     })
+
+    /*
+     We are now depending on sqlite3 and lmdb to provide alternative
+     storage backends for Garage. But these crates don't know what
+     system libraries they need, so we add them here manually:
+     `sqlite3` for `libsqlite3-sys` and `lmdb` for `lmdb-rkv-sys`
+    */
+    (pkgs.rustBuilder.rustLib.makeOverride {
+      name = "libsqlite3-sys";
+      overrideAttrs = drv: {
+        propagatedBuildInputs = drv.propagatedBuildInputs or [ ] ++ [ pkgs.sqlite ];
+      };
+    })
+    (pkgs.rustBuilder.rustLib.makeOverride {
+      name = "lmdb-rkv-sys";
+      overrideAttrs = drv: {
+        propagatedBuildInputs = drv.propagatedBuildInputs or [ ] ++ [ pkgs.lmdb ];
+      };
+    })
   ];
 
   packageFun = import ./Cargo.nix;