From 6535a5a2931c0597f510dc985ecd84679df697d0 Mon Sep 17 00:00:00 2001
From: Mohamed Bassem <me@mbassem.com>
Date: Sun, 18 Jan 2026 20:29:57 +0000
Subject: docker: switch to jemalloc

---
 docker/Dockerfile                                        | 9 +++++++++
 docker/root/etc/s6-overlay/s6-rc.d/init-db-migration/run | 1 +
 docker/root/etc/s6-overlay/s6-rc.d/svc-web/run           | 1 +
 docker/root/etc/s6-overlay/s6-rc.d/svc-workers/run       | 1 +
 4 files changed, 12 insertions(+)

diff --git a/docker/Dockerfile b/docker/Dockerfile
index 13b33678..83e94264 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -122,6 +122,7 @@ RUN apt-get update \
         curl \
         graphicsmagick \
         ghostscript \
+        libjemalloc2 \
     && rm -rf /var/lib/apt/lists/*
 
 ARG TARGETARCH
@@ -144,6 +145,14 @@ ENV NODE_ENV production
 ENV NEXT_TELEMETRY_DISABLED 1
 ENV NEXTAUTH_URL_INTERNAL=http://localhost:${PORT}
 
+# Create symlink for jemalloc based on architecture
+ARG TARGETARCH
+RUN if [ "$TARGETARCH" = "arm64" ]; then \
+        ln -s /usr/lib/aarch64-linux-gnu/libjemalloc.so.2 /usr/local/lib/libjemalloc.so; \
+    else \
+        ln -s /usr/lib/x86_64-linux-gnu/libjemalloc.so.2 /usr/local/lib/libjemalloc.so; \
+    fi
+
 COPY --from=base --chown=node:node /app/apps/web/.next/standalone ./
 COPY --from=base /app/apps/web/public ./apps/web/public
 COPY --from=base /db_migrations /db_migrations
diff --git a/docker/root/etc/s6-overlay/s6-rc.d/init-db-migration/run b/docker/root/etc/s6-overlay/s6-rc.d/init-db-migration/run
index f8cfe71b..72334313 100644
--- a/docker/root/etc/s6-overlay/s6-rc.d/init-db-migration/run
+++ b/docker/root/etc/s6-overlay/s6-rc.d/init-db-migration/run
@@ -3,4 +3,5 @@
 
 echo "Running db migration script";
 cd /db_migrations;
+export LD_PRELOAD=/usr/local/lib/libjemalloc.so
 exec node index.js;
diff --git a/docker/root/etc/s6-overlay/s6-rc.d/svc-web/run b/docker/root/etc/s6-overlay/s6-rc.d/svc-web/run
index 83e9b9f1..3eab16a4 100644
--- a/docker/root/etc/s6-overlay/s6-rc.d/svc-web/run
+++ b/docker/root/etc/s6-overlay/s6-rc.d/svc-web/run
@@ -2,4 +2,5 @@
 # shellcheck shell=bash
 
 cd /app/apps/web;
+export LD_PRELOAD=/usr/local/lib/libjemalloc.so
 exec node server.js;
diff --git a/docker/root/etc/s6-overlay/s6-rc.d/svc-workers/run b/docker/root/etc/s6-overlay/s6-rc.d/svc-workers/run
index 220f2e9b..b8b78c23 100644
--- a/docker/root/etc/s6-overlay/s6-rc.d/svc-workers/run
+++ b/docker/root/etc/s6-overlay/s6-rc.d/svc-workers/run
@@ -2,4 +2,5 @@
 # shellcheck shell=bash
 
 cd /app/apps/workers;
+export LD_PRELOAD=/usr/local/lib/libjemalloc.so
 exec node dist/index.js
-- 
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