ci: reduce threads available to build

Dockerfile

@@ -1,5 +1,5 @@
 # Build Stage
-FROM --platform="${BUILDPLATFORM}" rust:1.77.2-slim-bookworm
+FROM --platform="${BUILDPLATFORM}" rust:1.86.0-slim-bookworm
 USER 0:0
 WORKDIR /home/rust/src
 

Dockerfile.useCurrentArch

@@ -1,5 +1,5 @@
 # Build Stage
-FROM rust:1.77.2-slim-bookworm
+FROM rust:1.86.0-slim-bookworm
 USER 0:0
 WORKDIR /home/rust/src
 

README.md

@@ -34,10 +34,10 @@ The services and libraries that power the Revolt service.<br/>
 
 ## Minimum Supported Rust Version
 
-Rust 1.76 or higher.
+Rust 1.86.0 or higher.
 
 > [!CAUTION]
-> The events server has a significant performance regression between Rust 1.77.2 and 1.78.0 onwards, see [issue #341](https://github.com/revoltchat/backend/issues/341).
+> The events server has a significant performance regression between Rust 1.77.2 and 1.78.0 onwards, see [issue #341](https://github.com/revoltchat/backend/issues/341). This is currently solved by build time options but we are looking for a proper fix.
 
 ## Development Guide
 

scripts/build-image-layer.sh

@@ -56,9 +56,9 @@ deps() {
     tee crates/core/result/src/lib.rs
   
   if [ -z "$TARGETARCH" ]; then
-    cargo build -j 24 --locked --release
+    cargo build -j 10 --locked --release
   else
-    cargo build -j 24 --locked --release --target "${BUILD_TARGET}"
+    cargo build -j 10 --locked --release --target "${BUILD_TARGET}"
   fi
 }
 
@@ -77,9 +77,9 @@ apps() {
     crates/core/result/src/lib.rs
   
   if [ -z "$TARGETARCH" ]; then
-    cargo build -j 24 --locked --release
+    cargo build -j 10 --locked --release
   else
-    cargo build -j 24 --locked --release --target "${BUILD_TARGET}"
+    cargo build -j 10 --locked --release --target "${BUILD_TARGET}"
     mv target _target && mv _target/"${BUILD_TARGET}" target
   fi
 }