diff --git a/.devops/vulkan.Dockerfile b/.devops/vulkan.Dockerfile
index 5d6c87ed6b98..148c69ef5555 100644
--- a/.devops/vulkan.Dockerfile
+++ b/.devops/vulkan.Dockerfile
@@ -1,13 +1,20 @@
-ARG UBUNTU_VERSION=26.04
+ARG UBUNTU_VERSION=24.04
 
 FROM ubuntu:$UBUNTU_VERSION AS build
 
 # Install build tools
 RUN apt update && apt install -y git build-essential cmake wget xz-utils
 
-# Install SSL and Vulkan SDK dependencies
-RUN apt install -y libssl-dev curl \
-    libxcb-xinput0 libxcb-xinerama0 libxcb-cursor-dev libvulkan-dev glslc
+# Install cURL and Vulkan SDK dependencies.
+RUN apt install -y libcurl4-openssl-dev curl \
+    libxcb-xinput0 libxcb-xinerama0 libxcb-cursor-dev libvulkan-dev
+
+# glslc package naming differs across Ubuntu releases/runners.
+RUN apt install -y glslc \
+    || apt install -y shaderc \
+    || apt install -y shaderc-tools
+
+RUN command -v glslc
 
 # Build it
 WORKDIR /app
diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 8062177ba5af..043c3172da4d 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -33,6 +33,7 @@ jobs:
       COMMIT_SHA: ${{ github.sha }}
     strategy:
       fail-fast: false
+      max-parallel: 2
       matrix:
         config:
           # Multi-stage build
diff --git a/CMakePresets.json b/CMakePresets.json
index b5afeb3c0f2f..4499d49bd804 100644
--- a/CMakePresets.json
+++ b/CMakePresets.json
@@ -1,5 +1,5 @@
 {
-  "version": 4,
+    "version": 3,
   "configurePresets": [
     {
         "name":  "base",
@@ -64,6 +64,15 @@
     },
     { "name": "x64-linux-gcc-debug", "inherits": [ "base", "x64-linux-gcc", "debug" ] },
     { "name": "x64-linux-gcc-release", "inherits": [ "base", "x64-linux-gcc", "release" ] },
+    {
+        "name": "x64-linux-gcc-lowmem-release",
+        "inherits": [ "base", "x64-linux-gcc", "release" ],
+        "cacheVariables": {
+            "LLAMA_BUILD_SERVER": "OFF",
+            "LLAMA_BUILD_TESTS": "OFF",
+            "LLAMA_BUILD_EXAMPLES": "OFF"
+        }
+    },
     { "name": "x64-linux-gcc-reldbg", "inherits": [ "base", "x64-linux-gcc", "reldbg" ] },
     { "name": "x64-linux-gcc+static-release", "inherits": [ "base", "x64-linux-gcc", "release", "static" ] },
 
@@ -89,7 +98,15 @@
     { "name": "x64-windows-sycl-release", "inherits": [ "sycl-base", "release" ] },
     { "name": "x64-windows-sycl-release-f16", "inherits": [ "sycl-base", "release", "sycl_f16" ] },
 
-    { "name": "x64-windows-vulkan-debug", "inherits": [ "base", "vulkan", "debug" ] },
-    { "name": "x64-windows-vulkan-release", "inherits": [ "base", "vulkan", "release" ] }
-  ]
+        { "name": "x64-windows-vulkan-debug", "inherits": [ "base", "vulkan", "debug" ] },
+        { "name": "x64-windows-vulkan-release", "inherits": [ "base", "vulkan", "release" ] }
+    ],
+    "buildPresets": [
+        {
+            "name": "x64-linux-gcc-lowmem-release-cli",
+            "configurePreset": "x64-linux-gcc-lowmem-release",
+            "targets": [ "llama-cli" ],
+            "jobs": 1
+        }
+    ]
 }