New dependency installed for the ubuntu24-perf Dockerfile

Author: marc-casavant

scripts/docker/build/ubuntu24-perf/Dockerfile

@@ -1,6 +1,6 @@
 FROM --platform=linux/amd64 ubuntu:24.04
 
-# ── System dependencies ────────────────────────────────────────────────────────
+# System dependencies
 RUN apt-get update && apt-get install -y \
     # Build essentials
     build-essential \
@@ -14,13 +14,14 @@ RUN apt-get update && apt-get install -y \
     # Google perf tools
     libgoogle-perftools-dev \
     google-perftools \
-    # Valgrind profiling
+    # Valgrind / heap profiling
     valgrind \
+    heaptrack \
     # Utilities
     less \
     psmisc \
     # kcachegrind - GUI callgrind viewer (requires display/X11 forwarding or VNC)
-    # Lots of KDE/Qt dependencies (~200MB+).
+    # Uncomment to enable. Pulls in heavy KDE/Qt dependencies (~200MB+).
     # To use: run with `docker run -e DISPLAY=$DISPLAY -v /tmp/.X11-unix:/tmp/.X11-unix`
     # kcachegrind \
     # kio \
@@ -31,7 +32,7 @@ RUN apt-get update && apt-get install -y \
     # libqt5widgets5 \
     && rm -rf /var/lib/apt/lists/* # purge apt index cache in the same layer to prevent it being frozen into the image
 
-# ── libkqueue (package version causes runtime issues) ─────────────────────────
+# libkqueue (package version causes runtime issues)
 RUN git clone https://github.com/mheily/libkqueue.git /tmp/libkqueue \
  && cd /tmp/libkqueue \
  && cmake \
@@ -43,7 +44,7 @@ RUN git clone https://github.com/mheily/libkqueue.git /tmp/libkqueue \
  && ldconfig \
  && rm -rf /tmp/libkqueue
 
-# ── Fresh FreeRADIUS checkout ──────────────────────────────────────────────────
+# Fresh FreeRADIUS checkout
 # Change FREERADIUS_REPO / FREERADIUS_BRANCH to point at your fork or branch.
 ARG FREERADIUS_REPO=https://github.com/FreeRADIUS/freeradius-server.git
 ARG FREERADIUS_BRANCH=master
@@ -53,18 +54,17 @@ RUN git clone --depth 1 --branch ${FREERADIUS_BRANCH} \
 
 WORKDIR /freeradius
 
-# ── Configure & build with gperftools ─────────────────────────────────────────
+# Configure & build with gperftools
 RUN ./configure --with-gperftools \
  && make
 
-# ── Runtime environment for gperftools profiling ──────────────────────────────
+# Runtime environment for gperftools profiling
 # These can all be overridden at `docker run` time with -e.
 ENV CPUPROFILE=/tmp/freeradius.prof \
     CPUPROFILESIGNAL=12 \
     CPUPROFILE_FREQUENCY=1000
 
 EXPOSE 8080 1812/udp 1813/udp
 
-# Default: start the server in foreground, logging to stdout.
-# Override CMD (or use `docker run ... bash`) to drop into a shell instead.
-CMD ["./scripts/bin/radiusd", "-f", "-l", "stdout"]
+# Keep the container alive.  Server will be started manually via 'docker exec'
+CMD ["sleep", "infinity"]