diff --git a/compute/Dockerfile.compute-node b/compute/Dockerfile.compute-node
index b70f0abd27..eb4682445c 100644
--- a/compute/Dockerfile.compute-node
+++ b/compute/Dockerfile.compute-node
@@ -12,10 +12,25 @@ ARG DEBIAN_FLAVOR=bullseye-slim
 #########################################################################################
 FROM debian:$DEBIAN_FLAVOR AS build-deps
 ARG DEBIAN_FLAVOR
-RUN apt update &&  \
+
+RUN case $DEBIAN_FLAVOR in \
+      # Version-specific installs for Bullseye (PG14-PG16):
+      # The h3_pg extension needs a cmake 3.20+, but Debian bullseye has 3.18.
+      # Install newer version (3.25) from backports.
+      bullseye*) \
+        echo "deb http://deb.debian.org/debian bullseye-backports main" > /etc/apt/sources.list.d/bullseye-backports.list; \
+        VERSION_INSTALLS="cmake/bullseye-backports cmake-data/bullseye-backports"; \
+      ;; \
+      # Version-specific installs for Bookworm (PG17):
+      bookworm*) \
+        VERSION_INSTALLS="cmake"; \
+      ;; \
+    esac && \
+    apt update &&  \
     apt install -y git autoconf automake libtool build-essential bison flex libreadline-dev \
     zlib1g-dev libxml2-dev libcurl4-openssl-dev libossp-uuid-dev wget pkg-config libssl-dev \
-    libicu-dev libxslt1-dev liblz4-dev libzstd-dev zstd
+    libicu-dev libxslt1-dev liblz4-dev libzstd-dev zstd \
+    $VERSION_INSTALLS
 
 #########################################################################################
 #
@@ -89,7 +104,7 @@ FROM build-deps AS postgis-build
 ARG PG_VERSION
 COPY --from=pg-build /usr/local/pgsql/ /usr/local/pgsql/
 RUN apt update && \
-    apt install -y cmake gdal-bin libboost-dev libboost-thread-dev libboost-filesystem-dev \
+    apt install -y gdal-bin libboost-dev libboost-thread-dev libboost-filesystem-dev \
     libboost-system-dev libboost-iostreams-dev libboost-program-options-dev libboost-timer-dev \
     libcgal-dev libgdal-dev libgmp-dev libmpfr-dev libopenscenegraph-dev libprotobuf-c-dev \
     protobuf-c-compiler xsltproc
@@ -200,27 +215,6 @@ FROM build-deps AS h3-pg-build
 ARG PG_VERSION
 COPY --from=pg-build /usr/local/pgsql/ /usr/local/pgsql/
 
-RUN case "${PG_VERSION}" in "v17") \
-    echo "v17 extensions are not supported yet. Quit" && exit 0;; \
-    esac && \
-    case "$(uname -m)" in \
-      "x86_64") \
-        export CMAKE_CHECKSUM=739d372726cb23129d57a539ce1432453448816e345e1545f6127296926b6754 \
-        ;; \
-      "aarch64") \
-        export CMAKE_CHECKSUM=281b42627c9a1beed03e29706574d04c6c53fae4994472e90985ef018dd29c02 \
-        ;; \
-      *) \
-        echo "Unsupported architecture '$(uname -m)'. Supported are x86_64 and aarch64" && exit 1 \
-        ;; \
-    esac && \
-    wget https://github.com/Kitware/CMake/releases/download/v3.24.2/cmake-3.24.2-linux-$(uname -m).sh \
-      -q -O /tmp/cmake-install.sh \
-      && echo "${CMAKE_CHECKSUM} /tmp/cmake-install.sh" | sha256sum --check \
-      && chmod u+x /tmp/cmake-install.sh \
-      && /tmp/cmake-install.sh --skip-license --prefix=/usr/local/ \
-      && rm /tmp/cmake-install.sh
-
 RUN case "${PG_VERSION}" in "v17") \
         mkdir -p /h3/usr/ && \
     echo "v17 extensions are not supported yet. Quit" && exit 0;; \
@@ -506,8 +500,6 @@ RUN case "${PG_VERSION}" in "v17") \
         export TIMESCALEDB_CHECKSUM=584a351c7775f0e067eaa0e7277ea88cab9077cc4c455cbbf09a5d9723dce95d \
         ;; \
     esac && \
-    apt-get update && \
-    apt-get install -y cmake && \
     wget https://github.com/timescale/timescaledb/archive/refs/tags/${TIMESCALEDB_VERSION}.tar.gz -O timescaledb.tar.gz && \
     echo "${TIMESCALEDB_CHECKSUM} timescaledb.tar.gz" | sha256sum --check && \
     mkdir timescaledb-src && cd timescaledb-src && tar xzf ../timescaledb.tar.gz --strip-components=1 -C . && \
@@ -596,7 +588,6 @@ RUN case "${PG_VERSION}" in "v17") \
     esac && \
     apt-get update && \
     apt-get install -y \
-        cmake \
         libboost-iostreams1.74-dev \
         libboost-regex1.74-dev \
         libboost-serialization1.74-dev \
@@ -761,7 +752,7 @@ ARG PG_VERSION
 COPY --from=pg-build /usr/local/pgsql/ /usr/local/pgsql/
 
 RUN apt-get update && \
-    apt-get install -y curl libclang-dev cmake && \
+    apt-get install -y curl libclang-dev && \
     useradd -ms /bin/bash nonroot -b /home
 
 ENV HOME=/home/nonroot
@@ -1177,11 +1168,6 @@ RUN case "${PG_VERSION}" in "v17") \
     echo "v17 extensions are not supported yet. Quit" && exit 0;; \
     esac && \
     cd /ext-src/pgvector-src && patch -p1 <../pgvector.patch
-# cmake is required for the h3 test
-RUN case "${PG_VERSION}" in "v17") \
-    echo "v17 extensions are not supported yet. Quit" && exit 0;; \
-    esac && \
-    apt-get update && apt-get install -y cmake
 RUN case "${PG_VERSION}" in "v17") \
     echo "v17 extensions are not supported yet. Quit" && exit 0;; \
     esac && \
@@ -1208,7 +1194,6 @@ ENV PGDATABASE=postgres
 #########################################################################################
 FROM debian:$DEBIAN_FLAVOR
 ARG DEBIAN_FLAVOR
-ENV DEBIAN_FLAVOR=$DEBIAN_FLAVOR
 # Add user postgres
 RUN mkdir /var/db && useradd -m -d /var/db/postgres postgres && \
     echo "postgres:test_console_pass" | chpasswd && \