Build and run the message queue over Alpine

We prior stopped doing so for stability reasons, but this _should_ be tried
again.

orchestration/src/coordinator.rs

@@ -19,6 +19,7 @@ pub fn coordinator(
   let setup = mimalloc(Os::Debian).to_string() +
     &build_serai_service(
       "",
+      Os::Debian,
       network.release(),
       &format!("{db} {longer_reattempts}"),
       "serai-coordinator",

orchestration/src/ethereum_relayer.rs

@@ -4,7 +4,13 @@ use crate::{Network, Os, mimalloc, os, build_serai_service, write_dockerfile};
 
 pub fn ethereum_relayer(orchestration_path: &Path, network: Network) {
   let setup = mimalloc(Os::Debian).to_string() +
-    &build_serai_service("", network.release(), network.db(), "serai-ethereum-relayer");
+    &build_serai_service(
+      "",
+      Os::Debian,
+      network.release(),
+      network.db(),
+      "serai-ethereum-relayer",
+    );
 
   let env_vars = [
     ("DB_PATH", "/volume/ethereum-relayer-db".to_string()),

orchestration/src/main.rs

@@ -143,12 +143,19 @@ WORKDIR /home/{user}
   }
 }
 
-fn build_serai_service(prelude: &str, release: bool, features: &str, package: &str) -> String {
+fn build_serai_service(
+  prelude: &str,
+  os: Os,
+  release: bool,
+  features: &str,
+  package: &str,
+) -> String {
   let profile = if release { "release" } else { "debug" };
   let profile_flag = if release { "--release" } else { "" };
 
-  format!(
+  (match os {
-    r#"
+    Os::Debian => {
+      r#"
 FROM rust:1.91-slim-trixie AS builder
 
 COPY --from=mimalloc-debian libmimalloc.so /usr/lib
@@ -161,7 +168,25 @@ RUN apt install -y pkg-config libclang-dev clang
 
 # Dependencies for the Serai node
 RUN apt install -y make protobuf-compiler
+"#
+    }
+    Os::Alpine => {
+      r#"
+FROM rust:1.91-alpine AS builder
 
+COPY --from=mimalloc-alpine libmimalloc.so /usr/lib
+ENV LD_PRELOAD=libmimalloc.so
+
+RUN apk update && apk upgrade
+
+# Add dev dependencies
+RUN apk add clang-dev
+"#
+    }
+  })
+  .to_owned() +
+    &format!(
+      r#"
 # Add the wasm toolchain
 RUN rustup component add rust-src
 RUN rustup target add wasm32v1-none
@@ -196,7 +221,7 @@ RUN --mount=type=cache,target=/root/.cargo \
   cargo build {profile_flag} --features "{features}" -p {package} && \
   mv /serai/target/{profile}/{package} /serai/bin
 "#
-  )
+    )
 }
 
 pub fn write_dockerfile(path: PathBuf, dockerfile: &str) {

orchestration/src/message_queue.rs

@@ -13,8 +13,8 @@ pub fn message_queue(
   ethereum_key: <Ristretto as WrappedGroup>::G,
   monero_key: <Ristretto as WrappedGroup>::G,
 ) {
-  let setup = mimalloc(Os::Debian).to_string() +
+  let setup = mimalloc(Os::Alpine).to_string() +
-    &build_serai_service("", network.release(), network.db(), "serai-message-queue");
+    &build_serai_service("", Os::Alpine, network.release(), network.db(), "serai-message-queue");
 
   let env_vars = [
     ("COORDINATOR_KEY", hex::encode(coordinator_key.to_bytes())),
@@ -41,7 +41,7 @@ CMD {env_vars_str} serai-message-queue
 "#
   );
 
-  let run = os(Os::Debian, "", "messagequeue") + &run_message_queue;
+  let run = os(Os::Alpine, "", "messagequeue") + &run_message_queue;
   let res = setup + &run;
 
   let mut message_queue_path = orchestration_path.to_path_buf();

orchestration/src/processor.rs

@@ -28,6 +28,7 @@ RUN svm use 0.8.29
       } else {
         ""
       },
+      Os::Debian,
       network.release(),
       &format!("binaries {} {coin}", network.db()),
       "serai-processor",

orchestration/src/serai.rs

@@ -12,7 +12,8 @@ pub fn serai(
   serai_key: &Zeroizing<<Ristretto as WrappedGroup>::F>,
 ) {
   // Always builds in release for performance reasons
-  let setup = mimalloc(Os::Debian).to_string() + &build_serai_service("", true, "", "serai-node");
+  let setup =
+    mimalloc(Os::Debian).to_string() + &build_serai_service("", Os::Debian, true, "", "serai-node");
 
   let env_vars = [("KEY", hex::encode(serai_key.to_repr()))];
   let mut env_vars_str = String::new();