diff --git a/Dockerfile b/Dockerfile
index a274121..668a206 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 # syntax=docker/dockerfile:1
 
-FROM ghcr.io/linuxserver/baseimage-alpine:3.17
+FROM ghcr.io/linuxserver/baseimage-alpine:3.19
 
 # set version label
 ARG BUILD_DATE
@@ -15,11 +15,12 @@ RUN \
   echo "**** install runtime packages ****" && \
   apk add --no-cache --upgrade \
     nodejs \
-    npm \
     openssl && \
+  apk add --no-cache --upgrade --virtual=build-dependencies \
+    npm && \
   echo "**** install app ****" && \
   mkdir -p \
-    /opt/mstream && \
+    /app/mstream && \
   if [ -z ${MSTREAM_RELEASE+x} ]; then \
     MSTREAM_RELEASE=$(curl -sX GET "https://api.github.com/repos/IrosTheBeggar/mStream/releases/latest" \
     | awk '/tag_name/{print $4;exit}' FS='[""]'); \
@@ -29,16 +30,19 @@ RUN \
     "https://github.com/IrosTheBeggar/mStream/archive/${MSTREAM_RELEASE}.tar.gz" && \
   tar xzf \
     /tmp/mstream.tar.gz -C \
-    /opt/mstream/ --strip-components=1 && \
-  cd /opt/mstream && \
+    /app/mstream/ --strip-components=1 && \
+  cd /app/mstream && \
   chown -R abc:abc ./ && \
   su -s /bin/sh abc -c 'HOME=/tmp npm install --omit=dev' && \
   npm link && \
   echo "**** cleanup ****" && \
-  rm -rf /opt/mstream/save/sync && \
-  ln -s /config/sync /opt/mstream/save/sync && \
+  rm -rf /app/mstream/save/sync && \
+  ln -s /config/sync /app/mstream/save/sync && \
+  apk del --purge \
+    build-dependencies && \
   rm -rf \
     $HOME/.cache \
+    $HOME/.npm \
     /tmp/* \
     /tmp/.npm
 
diff --git a/Dockerfile.aarch64 b/Dockerfile.aarch64
index 2c8e23a..22744b5 100644
--- a/Dockerfile.aarch64
+++ b/Dockerfile.aarch64
@@ -1,6 +1,6 @@
 # syntax=docker/dockerfile:1
 
-FROM ghcr.io/linuxserver/baseimage-alpine:arm64v8-3.17
+FROM ghcr.io/linuxserver/baseimage-alpine:arm64v8-3.19
 
 # set version label
 ARG BUILD_DATE
@@ -15,11 +15,12 @@ RUN \
   echo "**** install runtime packages ****" && \
   apk add --no-cache --upgrade \
     nodejs \
-    npm \
     openssl && \
+  apk add --no-cache --upgrade --virtual=build-dependencies \
+    npm && \
   echo "**** install app ****" && \
   mkdir -p \
-    /opt/mstream && \
+    /app/mstream && \
   if [ -z ${MSTREAM_RELEASE+x} ]; then \
     MSTREAM_RELEASE=$(curl -sX GET "https://api.github.com/repos/IrosTheBeggar/mStream/releases/latest" \
     | awk '/tag_name/{print $4;exit}' FS='[""]'); \
@@ -29,16 +30,19 @@ RUN \
     "https://github.com/IrosTheBeggar/mStream/archive/${MSTREAM_RELEASE}.tar.gz" && \
   tar xzf \
     /tmp/mstream.tar.gz -C \
-    /opt/mstream/ --strip-components=1 && \
-  cd /opt/mstream && \
+    /app/mstream/ --strip-components=1 && \
+  cd /app/mstream && \
   chown -R abc:abc ./ && \
   su -s /bin/sh abc -c 'HOME=/tmp npm install --omit=dev' && \
   npm link && \
   echo "**** cleanup ****" && \
-  rm -rf /opt/mstream/save/sync && \
-  ln -s /config/sync /opt/mstream/save/sync && \
+  rm -rf /app/mstream/save/sync && \
+  ln -s /config/sync /app/mstream/save/sync && \
+  apk del --purge \
+    build-dependencies && \
   rm -rf \
     $HOME/.cache \
+    $HOME/.npm \
     /tmp/* \
     /tmp/.npm
 
diff --git a/README.md b/README.md
index 9fa4907..f50839b 100644
--- a/README.md
+++ b/README.md
@@ -297,6 +297,7 @@ Once registered you can define the dockerfile to use with `-f Dockerfile.aarch64
 
 ## Versions
 
+* **12.12.23:** - Rebase to Alpine 3.19, move binaries to /app.
 * **05.07.23:** - Deprecate armhf. As announced [here](https://www.linuxserver.io/blog/a-farewell-to-arm-hf)
 * **13.02.23:** - Rebase to Alpine 3.17, migrate to s6v3.
 * **05.04.22:** - Move `sync` folder to `/config`.
diff --git a/readme-vars.yml b/readme-vars.yml
index 8804c69..4aaaccc 100644
--- a/readme-vars.yml
+++ b/readme-vars.yml
@@ -17,9 +17,6 @@ param_volumes:
 param_usage_include_ports: true
 param_ports:
   - {external_port: "3000", internal_port: "3000", port_desc: "The port for the mStream webinterface"}
-param_usage_include_env: true
-param_env_vars:
-  - {env_var: "TZ", env_value: "Europe/London", desc: "Specify a timezone to use e.g. Europe/London"}
 # application setup block
 app_setup_block_enabled: true
 app_setup_block: |
@@ -33,6 +30,7 @@ app_setup_block: |
   v4's `config.json` is not compatible with v5. Existing `config.json` will be renamed to `config.json.v4-bak` for your reference and a new default `config.json` will be created upon upgrade from v4 to v5.
 # changelog
 changelogs:
+  - {date: "12.12.23:", desc: "Rebase to Alpine 3.19, move binaries to /app."}
   - {date: "05.07.23:", desc: "Deprecate armhf. As announced [here](https://www.linuxserver.io/blog/a-farewell-to-arm-hf)"}
   - {date: "13.02.23:", desc: "Rebase to Alpine 3.17, migrate to s6v3."}
   - {date: "05.04.22:", desc: "Move `sync` folder to `/config`."}
diff --git a/root/etc/s6-overlay/s6-rc.d/init-mstream-config/run b/root/etc/s6-overlay/s6-rc.d/init-mstream-config/run
index 58a04c6..04b07ac 100755
--- a/root/etc/s6-overlay/s6-rc.d/init-mstream-config/run
+++ b/root/etc/s6-overlay/s6-rc.d/init-mstream-config/run
@@ -41,4 +41,4 @@ fi
 # permissions
 lsiown -R abc:abc \
     /config \
-    /opt/mstream/bin
+    /app/mstream/bin
diff --git a/root/etc/s6-overlay/s6-rc.d/svc-mstream/run b/root/etc/s6-overlay/s6-rc.d/svc-mstream/run
index a74fa28..1479f6a 100755
--- a/root/etc/s6-overlay/s6-rc.d/svc-mstream/run
+++ b/root/etc/s6-overlay/s6-rc.d/svc-mstream/run
@@ -5,4 +5,4 @@ PORT=$(jq -r '.port' /config/config.json)
 
 exec \
     s6-notifyoncheck -d -n 300 -w 1000 -c "nc -z localhost ${PORT}" \
-        cd /opt/mstream s6-setuidgid abc mstream -j /config/config.json
+        cd /app/mstream s6-setuidgid abc mstream -j /config/config.json