From db854fc3d229c8b9fb0bda637ee5315f05406c5e Mon Sep 17 00:00:00 2001
From: Tobias Rosenkranz <trosenkranz@users.noreply.github.com>
Date: Mon, 30 Jun 2025 14:04:18 +0200
Subject: [PATCH] Improve docker image size (#6139)

---
 Changes                  | 1 +
 ci/docker/run/Dockerfile | 3 ++-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/Changes b/Changes
index a2ba53512..3ef0a0cd5 100644
--- a/Changes
+++ b/Changes
@@ -35,6 +35,7 @@ Verilator 5.037 devel
 * Improve hierarchical scheduling visualization in V3ExecGraph (#6009). [Bartłomiej Chmiel, Antmicro Ltd.]
 * Improve DPI temporary 'for' loop performance (#6079). [Bartłomiej Chmiel, Antmicro Ltd.]
 * Improve memory usage for SenTrees in V3OrderProcessDomains (#6112). [Geza Lore]
+* Improve docker image size (#6139). [Tobias Rosenkranz, bitaggregat GmbH, Germany]
 * Optimize DFG De Morgan patterns (#6090). [Geza Lore]
 * Optimize DFG variable elimination (#6091). [Geza Lore]
 * Optimize DFG PUSH_SEL_THROUGH_CONCAT pattern (#6092). [Geza Lore]
diff --git a/ci/docker/run/Dockerfile b/ci/docker/run/Dockerfile
index 24128ccc9..7f9ea5ff6 100644
--- a/ci/docker/run/Dockerfile
+++ b/ci/docker/run/Dockerfile
@@ -48,7 +48,8 @@ RUN git clone "${REPO}" verilator && \
     make && \
     make install && \
     cd .. && \
-    rm -r verilator
+    rm -r verilator && \
+    ccache -C
 
 COPY verilator-wrap.sh /usr/local/bin/verilator-wrap.sh