image pull fixes

src/database.rs

@@ -176,7 +176,7 @@ impl Database {
         if matches!(self, Database::Sqlite) {
             return Ok(None);
         }
-        pull_image(docker, self.image())
+        pull_image(docker, &format!("library/{}", self.image()))
             .await
             .wrap_err("Failed to pull database image")?;
         let options = Some(CreateContainerOptions {

src/image.rs

@@ -18,7 +18,11 @@ pub async fn pull_image(docker: &Docker, image: &str) -> Result<()> {
 
         let mut info_stream = docker.create_image(
             Some(CreateImageOptions {
-                from_image: format!("{}:latest", image),
+                from_image: if image.contains(":") {
+                    image.to_string()
+                } else {
+                    format!("{}:latest", image)
+                },
                 ..Default::default()
             }),
             None,