From a4f63294de1442db1b817660783e4eeea588896b Mon Sep 17 00:00:00 2001
From: Dessalines <dessalines@users.noreply.github.com>
Date: Tue, 29 Oct 2024 11:01:58 -0400
Subject: [PATCH] Compress binary with upx. (#5140)

* Compress binary with upx.

* Changing opt-level from z to 3

* Changing lto from thin to fat for release.
---
 Cargo.toml        |  7 ++++---
 docker/Dockerfile | 13 ++++++++++++-
 2 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index fc22d0d53..5523dcfd6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -26,9 +26,10 @@ workspace = true
 
 [profile.release]
 debug = 0
-lto = "thin"
-strip = true    # Automatically strip symbols from the binary.
-opt-level = "z" # Optimize for size.
+lto = "fat"
+strip = true      # Automatically strip symbols from the binary.
+opt-level = 3     # Optimize for speed, not size.
+codegen-units = 1 # Reduce parallel code generation.
 
 # This profile significantly speeds up build time. If debug info is needed you can comment the line
 # out temporarily, but make sure to leave this in the main branch.
diff --git a/docker/Dockerfile b/docker/Dockerfile
index 4503dd402..9701b4ad6 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -38,6 +38,12 @@ RUN --mount=type=cache,target=/lemmy/target set -ex; \
         cargo clean --release; \
         cargo build --features "${CARGO_BUILD_FEATURES}" --release; \
         mv target/"${RUST_RELEASE_MODE}"/lemmy_server ./lemmy_server; \
+        #
+        # Compress the binary with upx
+        wget https://github.com/upx/upx/releases/download/v4.2.4/upx-4.2.4-amd64_linux.tar.xz; \
+        tar -xvf upx-4.2.4-amd64_linux.tar.xz; \
+        cp upx-4.2.4-amd64_linux/upx /usr/bin; \
+        upx --best --lzma lemmy_server; \
     fi
 
 # ARM64 builder
@@ -71,9 +77,14 @@ RUN --mount=type=cache,target=./target,uid=10001,gid=10001 set -ex; \
         cargo clean --release; \
         cargo build --features "${CARGO_BUILD_FEATURES}" --release; \
         mv "./target/$CARGO_BUILD_TARGET/$RUST_RELEASE_MODE/lemmy_server" /home/lemmy/lemmy_server; \
+        #
+        # Compress the binary with upx
+        wget https://github.com/upx/upx/releases/download/v4.2.4/upx-4.2.4-arm64_linux.tar.xz; \
+        tar -xvf upx-4.2.4-arm64_linux.tar.xz; \
+        cp upx-4.2.4-arm64_linux/upx /usr/bin; \
+        upx --best --lzma /home/lemmy/lemmy_server; \
     fi
 
-
 # amd64 base runner
 FROM ${AMD_RUNNER_IMAGE} AS runner-linux-amd64