build docker image with lto

CHANGELOG.md

@@ -10,6 +10,7 @@ Each release is tagged in Git and on the Docker repository
 
 *   [#219](https://github.com/scottlamb/moonfire-nvr/issues/219): fix
     live stream failing with `ws close: 1006` on URLs with port numbers.
+*   build Docker images with link-time optimization.
 
 ## 0.7.4 (2022-04-13)
 

docker/build-server.bash

@@ -28,7 +28,7 @@ ln -s /cargo-cache/{git,registry} ~/.cargo
 
 cd src/server
 time cargo test
-time cargo build --release
+time cargo build --profile=release-lto
 sudo install -m 755 ~/moonfire-nvr /usr/local/bin/moonfire-nvr
 
 ls -laFR /cargo-cache > /docker-build-debug/build-server/cargo-cache-after

server/Cargo.toml

@@ -78,5 +78,9 @@ opt-level = 2
 [profile.release]
 debug = 1
 
+[profile.release-lto]
+inherits = "release"
+lto = true
+
 [profile.bench]
 debug = 1