Add Nix Dev Shell

.gitignore

@@ -8,3 +8,6 @@ coverage.*
 cover.out
 bin/
 *.db
+.direnv
+.envrc
+.vscode/

cmd/db/main.go

@@ -30,17 +30,17 @@ func main() {
 	}
 
 	switch operation {
-	case "create":
+	case "create-db":
 		db.CreateTables(dbPath)
-	case "reset":
+	case "reset-db":
 		// db.ResetDB(dbPath)
-	case "destroy":
+	case "destroy-db":
 		db.DestroyDB(dbPath)
-	case "seed":
+	case "seed-db":
 		db.Seed(dbPath)
-	case "clear":
+	case "clear-db":
 		db.Clear(dbPath)
-	case "aggregate":
+	case "aggregate-db":
 		fmt.Println("TODO: not supported")
 		return
 		// if day == "" {

flake.nix

@@ -0,0 +1,30 @@
+{
+  description = "Flake for the track-me project";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs = { self, nixpkgs, flake-utils }: flake-utils.lib.eachDefaultSystem (system:
+    let
+      pkgs = import nixpkgs { inherit system; };
+    in
+    {
+      devShell = pkgs.mkShell {
+        name = "track-me-dev-shell";
+
+        buildInputs = [
+          pkgs.go
+          pkgs.sqlite
+        ];
+
+        shellHook = ''
+          export GOBIN="$PWD/bin"
+          export PATH="$GOBIN:$PATH"
+          echo "Development environment for track-me is ready!"
+        '';
+      };
+    }
+  );
+}