diff --git a/.github/workflows/docker-build.yml b/.github/workflows/docker-build.yml
index 9f058c0..81ec487 100644
--- a/.github/workflows/docker-build.yml
+++ b/.github/workflows/docker-build.yml
@@ -9,7 +9,7 @@ env:
   UBUNTU_VERSION: 22.04
   BUILDX_NO_DEFAULT_ATTESTATIONS: 1
   LATEST_CUDA: "all-cuda-11.8.0-cudnn8-runtime-22.04"
-  LATEST_ROCM: "all-rocm-5.4.2-runtime-22.04"
+  LATEST_ROCM: "all-rocm-5.6-runtime-22.04"
   LATEST_CPU: "all-cpu-22.04"
 
 jobs:
@@ -24,6 +24,7 @@ jobs:
           - "3.9"
           - "3.10"
           - "3.11"
+          - "3.12"
           - "all"
     steps:
       -
@@ -84,6 +85,7 @@ jobs:
           - "3.9"
           - "3.10"
           - "3.11"
+          - "3.12"
           - "all"
         cuda:
           - "11.7.1"
@@ -159,6 +161,7 @@ jobs:
           - "3.9"
           - "3.10"
           - "3.11"
+          - "3.12"
           - "all"
         rocm:
           - "5.4.2"
diff --git a/README.md b/README.md
index e86ad2b..60cc360 100644
--- a/README.md
+++ b/README.md
@@ -34,7 +34,7 @@ Tags follow these patterns:
 ##### _ROCm_
 - `:[python-version]-rocm-[x.x.x]-[core|runtime|devel]-[ubuntu-version]`
 
-- `:latest-rocm` -> `:all-rocm-5.4.2-runtime-22.04`
+- `:latest-rocm` -> `:all-rocm-5.6-runtime-22.04`
 
 ROCm builds are experimental. Please give feedback.
 
@@ -47,7 +47,7 @@ Browse [here](https://github.com/ai-dock/jupyter-python/pkgs/container/jupyter-p
 
 You can also self-build from source by editing `.env` and running `docker compose build`.
 
-Supported Python versions: `all` `3.11`, `3.10`, `3.9`, `3.8`, `2.7`
+Supported Python versions: `all`, `3.12`, `3.11`, `3.10`, `3.9`, `3.8`, `2.7`
 
 Supported Platforms: `NVIDIA CUDA`, `AMD ROCm`, `CPU`
 
diff --git a/build/COPY_ROOT/opt/ai-dock/bin/build/layer0/common.sh b/build/COPY_ROOT/opt/ai-dock/bin/build/layer0/common.sh
index c3df884..0b6b65d 100755
--- a/build/COPY_ROOT/opt/ai-dock/bin/build/layer0/common.sh
+++ b/build/COPY_ROOT/opt/ai-dock/bin/build/layer0/common.sh
@@ -86,6 +86,13 @@ install_ipykernel() {
         else
             do_kernel_install "python_311" "3.11"
         fi
+        
+        do_mamba_install "python_312"
+        if [[ $PYTHON_MAMBA_NAME = "python_312" ]]; then
+            do_kernel_install "python_312" "3.12" "python3" "Python3 (ipykernel)"
+        else
+            do_kernel_install "python_312" "3.12"
+        fi
     fi
 }
 
diff --git a/build/COPY_ROOT/opt/ai-dock/bin/supervisor-jupyter.sh b/build/COPY_ROOT/opt/ai-dock/bin/supervisor-jupyter.sh
index 3571e4b..e048754 100755
--- a/build/COPY_ROOT/opt/ai-dock/bin/supervisor-jupyter.sh
+++ b/build/COPY_ROOT/opt/ai-dock/bin/supervisor-jupyter.sh
@@ -2,25 +2,28 @@
 
 trap cleanup EXIT
 
-LISTEN_PORT=18888
-METRICS_PORT=28888
-PROXY_SECURE=true
-
 function cleanup() {
     kill $(jobs -p) > /dev/null 2>&1
     rm /run/http_ports/$PROXY_PORT > /dev/null 2>&1
 }
 
 function start() {
-    if [[ -z $JUPYTER_MODE || ! "$JUPYTER_MODE" = "notebook" ]]; then
-        JUPYTER_MODE="notebook"
+    LISTEN_PORT=${JUPYTER_PORT_LOCAL:-18888}
+    METRICS_PORT=${JUPYTER_METRICS_PORT:-28888}
+    PROXY_SECURE=true
+    
+    if [[ ! -v JUPYTER_PORT || -z $JUPYTER_PORT ]]; then
+        JUPYTER_PORT=${JUPYTER_PORT_HOST:-8888}
     fi
+    PROXY_PORT=$JUPYTER_PORT
     
-    if [[ -z $JUPYTER_PORT ]]; then
-        JUPYTER_PORT=8888
+    if [[ ! -v JUPYTER_MODE || -z $JUPYTER_MODE ]]; then
+        JUPYTER_MODE="notebook"
+    fi
+    if [[ $JUPYTER_MODE != "notebook" ]]; then
+        JUPYTER_MODE="lab"
     fi
     
-    PROXY_PORT=$JUPYTER_PORT
     SERVICE_NAME="Jupyter ${JUPYTER_MODE^}"
     
     if [[ ${SERVERLESS,,} = "true" ]]; then
@@ -78,7 +81,7 @@ function start() {
         --ServerApp.allow_credentials=True \
         --ServerApp.root_dir=$WORKSPACE \
         --ServerApp.preferred_dir=$WORKSPACE \
-       --KernelSpecManager.ensure_native_kernel=False
+        --KernelSpecManager.ensure_native_kernel=False
 }
 
 start 2>&1