Add mimalloc

Author: douyun-dtyq

Dockerfile

@@ -11,6 +11,17 @@ ARG EXT_DEV
 ARG MIRROR
 ARG CURL_PROXY
 
+# setup mimalloc
+RUN --mount=type=cache,id=alpine-apk-${ALPINE_VERSION},target=/var/cache/apk \
+    set -eo pipefail ; \
+    cp /etc/apk/repositories /etc/apk/repositories.orig && \
+    echo "${MIRROR}/alpine/v3.22/main" > /etc/apk/repositories && \
+    echo "${MIRROR}/alpine/v3.22/community" >> /etc/apk/repositories && \
+    apk add --no-cache mimalloc2 && \
+    mv /etc/apk/repositories.orig /etc/apk/repositories
+
+ENV LD_PRELOAD=/usr/lib/libmimalloc.so.2
+
 RUN --mount=type=cache,id=alpine-apk-${ALPINE_VERSION},target=/var/cache/apk \
     set -eo pipefail ; \
     cp /etc/apk/repositories /etc/apk/repositories.orig && \