diff --git a/Makefile b/Makefile
index 6c67733..a48a802 100644
--- a/Makefile
+++ b/Makefile
@@ -2,6 +2,10 @@
 run:
 	API_KEY=test REPO_DIR=data LOG_LEVEL=DEBUG v -cg run vieter
 
+.PHONY: run-prod
+run-prod:
+	API_KEY=test REPO_DIR=data LOG_LEVEL=DEBUG v -prod run vieter
+
 .PHONY: watch
 watch:
 	API_KEY=test REPO_DIR=data LOG_LEVEL=DEBUG v watch run vieter
diff --git a/vieter/fibonacci.v b/vieter/fibonacci.v
deleted file mode 100644
index c76d44d..0000000
--- a/vieter/fibonacci.v
+++ /dev/null
@@ -1,9 +0,0 @@
-module fibonacci
-
-pub fn fib(i int) int {
-	if i <= 1 {
-		return i
-	}
-
-	return fib(i - 1) + fib(i - 2)
-}
diff --git a/vieter/main.v b/vieter/main.v
index 8c2c38f..e11e2b8 100644
--- a/vieter/main.v
+++ b/vieter/main.v
@@ -8,7 +8,7 @@ import repo
 
 const port = 8000
 
-const buf_size = 100_000
+const buf_size = 1_000_000
 
 const db_name = 'pieter.db.tar.gz'
 
@@ -80,21 +80,23 @@ fn main() {
 		exit_with_message(1, 'No repo directory was configured.')
 	}
 
-	// We create the upload directory during startup
-	if !os.is_dir(repo_dir) {
-		os.mkdir_all(repo_dir) or {
-			exit_with_message(2, "Failed to create repo directory '$repo_dir'.")
+	repo := repo.Repo{
+			dir: repo_dir
+			name: db_name
 		}
 
-		logger.info("Created repo directory '$repo_dir'")
+	// We create the upload directory during startup
+	if !os.is_dir(repo.pkg_dir()) {
+		os.mkdir_all(repo.pkg_dir()) or {
+			exit_with_message(2, "Failed to create repo directory '$repo.pkg_dir()'.")
+		}
+
+		logger.info("Created package directory '$repo.pkg_dir()'.")
 	}
 
 	web.run(&App{
 		logger: logger
 		api_key: key
-		repo: repo.Repo{
-			dir: repo_dir
-			name: db_name
-		}
+		repo: repo
 	}, port)
 }
diff --git a/vieter/repo.v b/vieter/repo.v
index 8d1acbd..55b38f3 100644
--- a/vieter/repo.v
+++ b/vieter/repo.v
@@ -4,16 +4,24 @@ import os
 
 const pkgs_subpath = 'pkgs'
 
+// Dummy struct to work around the fact that you can only share structs, maps &
+// arrays
+pub struct Dummy { x int }
+
 // Handles management of a repository. Package files are stored in '$dir/pkgs'
 // & moved there if necessary.
 pub struct Repo {
 mut:
-	mutex shared int = 0
+	mutex shared Dummy
 pub:
 	dir string [required]
 	name string [required]
 }
 
+pub fn (r &Repo) pkg_dir() string {
+	return os.join_path_single(r.dir, pkgs_subpath)
+}
+
 // Returns path to the given package, prepended with the repo's path.
 pub fn (r &Repo) pkg_path(pkg string) string {
 	return os.join_path(r.dir, pkgs_subpath, pkg)
diff --git a/vieter/routes.v b/vieter/routes.v
index 7537040..3dfb1ce 100644
--- a/vieter/routes.v
+++ b/vieter/routes.v
@@ -3,11 +3,26 @@ module main
 import web
 import os
 import repo
+import time
+
+const prefixes = ['B', 'KB', 'MB', 'GB']
+
+fn pretty_bytes(bytes int) string {
+	mut i := 0
+	mut n := f32(bytes)
+
+	for n >= 1024 {
+		i++
+		n /= 1024
+	}
+
+	return '${n:.2}${prefixes[i]}'
+}
 
 ['/pkgs/:pkg'; put]
 fn (mut app App) put_package(pkg string) web.Result {
 	if app.repo.exists(pkg) {
-		app.lwarn("Tried to upload duplicate package '$pkg'")
+		app.lwarn("Duplicate package '$pkg'")
 
 		return app.text('File already exists.')
 	}
@@ -15,20 +30,27 @@ fn (mut app App) put_package(pkg string) web.Result {
 	pkg_path := app.repo.pkg_path(pkg)
 
 	if length := app.req.header.get(.content_length) {
-		app.ldebug("Uploading $length bytes to package '$pkg'")
-		println(pkg_path)
+		app.ldebug("Uploading $length (${pretty_bytes(length.int())}) bytes to package '$pkg'.")
+
+		// This is used to time how long it takes to upload a file
+		mut sw := time.new_stopwatch(time.StopWatchOptions{auto_start: true})
+
 		reader_to_file(mut app.reader, length.int(), pkg_path) or {
 			app.lwarn("Failed to upload package '$pkg'")
 
 			return app.text('Failed to upload file.')
 		}
+
+		sw.stop()
+		app.ldebug("Upload of package '$pkg' completed in ${sw.elapsed().seconds():.3}s.")
+
 	} else {
 		app.lwarn("Tried to upload package '$pkg' without specifying a Content-Length.")
 		return app.text("Content-Type header isn't set.")
 	}
 
 	app.repo.add_package(pkg_path) or {
-		app.linfo("Failed to add package '$pkg' to database.")
+		app.lwarn("Failed to add package '$pkg' to database.")
 
 		os.rm(pkg_path) or { println('Failed to remove $pkg_path') }
 
@@ -36,7 +58,6 @@ fn (mut app App) put_package(pkg string) web.Result {
 	}
 
 	app.linfo("Added '$pkg' to repository.")
-	app.linfo("Uploaded package '$pkg'.")
 
 	return app.text('Package added successfully.')
 }