diff --git a/.github/workflows/external_trigger.yml b/.github/workflows/external_trigger.yml
index a9d7bdb..4648bb8 100644
--- a/.github/workflows/external_trigger.yml
+++ b/.github/workflows/external_trigger.yml
@@ -18,7 +18,7 @@ jobs:
           fi
           echo "**** External trigger running off of nightly branch. To disable this trigger, set a Github secret named \"PAUSE_EXTERNAL_TRIGGER_LIDARR_NIGHTLY\". ****"
           echo "**** Retrieving external version ****"
-          EXT_RELEASE=$(curl -s "https://lidarr.servarr.com/v1/update/nightly/changes?runtime=netcore%26os=linux" | jq -r '. | .[0].version')
+          EXT_RELEASE=$(curl -sL https://lidarr.servarr.com/v1/update/nightly/changes?runtime=netcore%26os=linuxmusl | jq -r '.[0].version')
           if [ -z "${EXT_RELEASE}" ] || [ "${EXT_RELEASE}" == "null" ]; then
             echo "**** Can't retrieve external version, exiting ****"
             FAILURE_REASON="Can't retrieve external version for lidarr branch nightly"
diff --git a/Dockerfile b/Dockerfile
index 7696d4b..32b15f1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,42 +1,41 @@
-FROM ghcr.io/linuxserver/baseimage-ubuntu:bionic
+FROM ghcr.io/linuxserver/baseimage-alpine:3.15
 
 # set version label
 ARG BUILD_DATE
 ARG VERSION
 ARG LIDARR_RELEASE
 LABEL build_version="Linuxserver.io version:- ${VERSION} Build-date:- ${BUILD_DATE}"
-LABEL maintainer="thelamer"
+LABEL maintainer="Roxedus,thespad"
 
 # environment settings
-ARG DEBIAN_FRONTEND="noninteractive"
 ARG LIDARR_BRANCH="nightly"
 ENV XDG_CONFIG_HOME="/config/xdg"
 
 RUN \
   echo "**** install packages ****" && \
-  apt-get update && \
-  apt-get install --no-install-recommends -y \
+  apk add -U --upgrade --no-cache \
+    curl \
     jq \
-    libchromaprint-tools \
-    libicu60 && \
+    chromaprint \
+    icu-libs \
+    sqlite-libs && \
   echo "**** install lidarr ****" && \
   mkdir -p /app/lidarr/bin && \
   if [ -z ${LIDARR_RELEASE+x} ]; then \
-    LIDARR_RELEASE=$(curl -sL "https://lidarr.servarr.com/v1/update/${LIDARR_BRANCH}/changes?runtime=netcore&os=linux" \
+    LIDARR_RELEASE=$(curl -sL "https://lidarr.servarr.com/v1/update/${LIDARR_BRANCH}/changes?runtime=netcore&os=linuxmusl" \
     | jq -r '.[0].version'); \
   fi && \
   curl -o \
   /tmp/lidarr.tar.gz -L \
-    "https://lidarr.servarr.com/v1/update/${LIDARR_BRANCH}/updatefile?version=${LIDARR_RELEASE}&os=linux&runtime=netcore&arch=x64" && \
-  tar ixzf \
-  /tmp/lidarr.tar.gz -C \
+    "https://lidarr.servarr.com/v1/update/${LIDARR_BRANCH}/updatefile?version=${LIDARR_RELEASE}&os=linuxmusl&runtime=netcore&arch=x64" && \
+  tar xzf \
+    /tmp/lidarr.tar.gz -C \
     /app/lidarr/bin --strip-components=1 && \
-  echo "UpdateMethod=docker\nBranch=${LIDARR_BRANCH}\nPackageVersion=${VERSION}\nPackageAuthor=linuxserver.io" > /app/lidarr/package_info && \
+  echo -e "UpdateMethod=docker\nBranch=${LIDARR_BRANCH}\nPackageVersion=${VERSION}\nPackageAuthor=linuxserver.io\nPackageGlobalMessage=Warn: This image is now based on Alpine. Custom scripts using apt-get will need to be updated to use apk" > /app/lidarr/package_info && \
   echo "**** cleanup ****" && \
   rm -rf \
     /app/lidarr/bin/Lidarr.Update \
     /tmp/* \
-    /var/lib/apt/lists/* \
     /var/tmp/*
 
 # copy local files
diff --git a/Dockerfile.aarch64 b/Dockerfile.aarch64
index e507952..5e8f3a5 100644
--- a/Dockerfile.aarch64
+++ b/Dockerfile.aarch64
@@ -1,42 +1,41 @@
-FROM ghcr.io/linuxserver/baseimage-ubuntu:arm64v8-bionic
+FROM ghcr.io/linuxserver/baseimage-alpine:arm64v8-3.15
 
 # set version label
 ARG BUILD_DATE
 ARG VERSION
 ARG LIDARR_RELEASE
 LABEL build_version="Linuxserver.io version:- ${VERSION} Build-date:- ${BUILD_DATE}"
-LABEL maintainer="thelamer"
+LABEL maintainer="Roxedus,thespad"
 
 # environment settings
-ARG DEBIAN_FRONTEND="noninteractive"
 ARG LIDARR_BRANCH="nightly"
 ENV XDG_CONFIG_HOME="/config/xdg"
 
 RUN \
   echo "**** install packages ****" && \
-  apt-get update && \
-  apt-get install --no-install-recommends -y \
+  apk add -U --upgrade --no-cache \
+    curl \
     jq \
-    libchromaprint-tools \
-    libicu60 && \
+    chromaprint \
+    icu-libs \
+    sqlite-libs && \
   echo "**** install lidarr ****" && \
   mkdir -p /app/lidarr/bin && \
   if [ -z ${LIDARR_RELEASE+x} ]; then \
-    LIDARR_RELEASE=$(curl -sL "https://lidarr.servarr.com/v1/update/${LIDARR_BRANCH}/changes?runtime=netcore&os=linux" \
+    LIDARR_RELEASE=$(curl -sL "https://lidarr.servarr.com/v1/update/${LIDARR_BRANCH}/changes?runtime=netcore&os=linuxmusl" \
     | jq -r '.[0].version'); \
   fi && \
   curl -o \
   /tmp/lidarr.tar.gz -L \
-    "https://lidarr.servarr.com/v1/update/${LIDARR_BRANCH}/updatefile?version=${LIDARR_RELEASE}&os=linux&runtime=netcore&arch=arm64" && \
-  tar ixzf \
-  /tmp/lidarr.tar.gz -C \
+    "https://lidarr.servarr.com/v1/update/${LIDARR_BRANCH}/updatefile?version=${LIDARR_RELEASE}&os=linuxmusl&runtime=netcore&arch=arm64" && \
+  tar xzf \
+    /tmp/lidarr.tar.gz -C \
     /app/lidarr/bin --strip-components=1 && \
-  echo "UpdateMethod=docker\nBranch=${LIDARR_BRANCH}\nPackageVersion=${VERSION}\nPackageAuthor=linuxserver.io" > /app/lidarr/package_info && \
+  echo -e "UpdateMethod=docker\nBranch=${LIDARR_BRANCH}\nPackageVersion=${VERSION}\nPackageAuthor=linuxserver.io\nPackageGlobalMessage=Warn: This image is now based on Alpine. Custom scripts using apt-get will need to be updated to use apk" > /app/lidarr/package_info && \
   echo "**** cleanup ****" && \
   rm -rf \
     /app/lidarr/bin/Lidarr.Update \
     /tmp/* \
-    /var/lib/apt/lists/* \
     /var/tmp/*
 
 # copy local files
diff --git a/Dockerfile.armhf b/Dockerfile.armhf
index b6b6dd1..a6532fa 100644
--- a/Dockerfile.armhf
+++ b/Dockerfile.armhf
@@ -1,42 +1,41 @@
-FROM ghcr.io/linuxserver/baseimage-ubuntu:bionic
+FROM ghcr.io/linuxserver/baseimage-alpine:3.15
 
 # set version label
 ARG BUILD_DATE
 ARG VERSION
 ARG LIDARR_RELEASE
 LABEL build_version="Linuxserver.io version:- ${VERSION} Build-date:- ${BUILD_DATE}"
-LABEL maintainer="thelamer"
+LABEL maintainer="Roxedus,thespad"
 
 # environment settings
-ARG DEBIAN_FRONTEND="noninteractive"
 ARG LIDARR_BRANCH="nightly"
 ENV XDG_CONFIG_HOME="/config/xdg"
 
 RUN \
   echo "**** install packages ****" && \
-  apt-get update && \
-  apt-get install --no-install-recommends -y \
+  apk add -U --upgrade --no-cache \
+    curl \
     jq \
-    libchromaprint-tools \
-    libicu60 && \
+    chromaprint \
+    icu-libs \
+    sqlite-libs && \
   echo "**** install lidarr ****" && \
   mkdir -p /app/lidarr/bin && \
   if [ -z ${LIDARR_RELEASE+x} ]; then \
-    LIDARR_RELEASE=$(curl -sL "https://lidarr.servarr.com/v1/update/${LIDARR_BRANCH}/changes?runtime=netcore&os=linux" \
+    LIDARR_RELEASE=$(curl -sL "https://lidarr.servarr.com/v1/update/${LIDARR_BRANCH}/changes?runtime=netcore&os=linuxmusl" \
     | jq -r '.[0].version'); \
   fi && \
   curl -o \
   /tmp/lidarr.tar.gz -L \
-    "https://lidarr.servarr.com/v1/update/${LIDARR_BRANCH}/updatefile?version=${LIDARR_RELEASE}&os=linux&runtime=netcore&arch=arm" && \
-  tar ixzf \
-  /tmp/lidarr.tar.gz -C \
+    "https://lidarr.servarr.com/v1/update/${LIDARR_BRANCH}/updatefile?version=${LIDARR_RELEASE}&os=linuxmusl&runtime=netcore&arch=arm" && \
+  tar xzf \
+    /tmp/lidarr.tar.gz -C \
     /app/lidarr/bin --strip-components=1 && \
-  echo "UpdateMethod=docker\nBranch=${LIDARR_BRANCH}\nPackageVersion=${VERSION}\nPackageAuthor=linuxserver.io" > /app/lidarr/package_info && \
+  echo -e "UpdateMethod=docker\nBranch=${LIDARR_BRANCH}\nPackageVersion=${VERSION}\nPackageAuthor=linuxserver.io\nPackageGlobalMessage=Warn: This image is now based on Alpine. Custom scripts using apt-get will need to be updated to use apk" > /app/lidarr/package_info && \
   echo "**** cleanup ****" && \
   rm -rf \
     /app/lidarr/bin/Lidarr.Update \
     /tmp/* \
-    /var/lib/apt/lists/* \
     /var/tmp/*
 
 # copy local files
diff --git a/Jenkinsfile b/Jenkinsfile
index 4df1a9c..4c846b7 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -17,8 +17,6 @@ pipeline {
     GITLAB_TOKEN=credentials('b6f0f1dd-6952-4cf6-95d1-9c06380283f0')
     GITLAB_NAMESPACE=credentials('gitlab-namespace-id')
     SCARF_TOKEN=credentials('scarf_api_key')
-    JSON_URL = 'https://lidarr.servarr.com/v1/update/nightly/changes?runtime=netcore%26os=linux'
-    JSON_PATH = '.[0].version'
     BUILD_VERSION_ARG = 'LIDARR_RELEASE'
     LS_USER = 'linuxserver'
     LS_REPO = 'docker-lidarr'
@@ -26,7 +24,7 @@ pipeline {
     DOCKERHUB_IMAGE = 'linuxserver/lidarr'
     DEV_DOCKERHUB_IMAGE = 'lsiodev/lidarr'
     PR_DOCKERHUB_IMAGE = 'lspipepr/lidarr'
-    DIST_IMAGE = 'ubuntu'
+    DIST_IMAGE = 'alpine'
     MULTIARCH='true'
     CI='true'
     CI_WEB='true'
@@ -101,16 +99,16 @@ pipeline {
     /* ########################
        External Release Tagging
        ######################## */
-    // If this is a custom json endpoint parse the return to get external tag
-    stage("Set ENV custom_json"){
-     steps{
-       script{
-         env.EXT_RELEASE = sh(
-           script: '''curl -s ${JSON_URL} | jq -r ". | ${JSON_PATH}" ''',
-           returnStdout: true).trim()
-         env.RELEASE_LINK = env.JSON_URL
-       }
-     }
+    // If this is a custom command to determine version use that command
+    stage("Set tag custom bash"){
+      steps{
+        script{
+          env.EXT_RELEASE = sh(
+            script: ''' curl -sL https://lidarr.servarr.com/v1/update/nightly/changes?runtime=netcore%26os=linuxmusl | jq -r '.[0].version' ''',
+            returnStdout: true).trim()
+            env.RELEASE_LINK = 'custom_command'
+        }
+      }
     }
     // Sanitize the release tag and strip illegal docker or github characters
     stage("Sanitize tag"){
@@ -911,7 +909,7 @@ pipeline {
              "tagger": {"name": "LinuxServer Jenkins","email": "jenkins@linuxserver.io","date": "'${GITHUB_DATE}'"}}' '''
         echo "Pushing New release for Tag"
         sh '''#! /bin/bash
-              echo "Data change at JSON endpoint ${JSON_URL}" > releasebody.json
+              echo "Updating to ${EXT_RELEASE_CLEAN}" > releasebody.json
               echo '{"tag_name":"'${META_TAG}'",\
                      "target_commitish": "nightly",\
                      "name": "'${META_TAG}'",\
diff --git a/README.md b/README.md
index 3094e86..126a03e 100644
--- a/README.md
+++ b/README.md
@@ -248,6 +248,8 @@ Once registered you can define the dockerfile to use with `-f Dockerfile.aarch64
 
 ## Versions
 
+* **04.02.22:** - Rebase nightly branch to Alpine.
+* **30.12.21:** - Add nightly-alpine branch.
 * **01.08.21:** - Add libchromaprint-tools.
 * **11.07.21:** - Make the paths clearer to the user.
 * **20.01.21:** - Deprecate `UMASK_SET` in favor of UMASK in baseimage, see above for more information.
diff --git a/jenkins-vars.yml b/jenkins-vars.yml
index a59b093..ba608b5 100644
--- a/jenkins-vars.yml
+++ b/jenkins-vars.yml
@@ -1,14 +1,12 @@
 ---
-
 # jenkins variables
 project_name: docker-lidarr
-external_type: custom_json
+external_type: na
+custom_version_command: curl -sL https://lidarr.servarr.com/v1/update/nightly/changes?runtime=netcore%26os=linuxmusl | jq -r '.[0].version'
 release_type: prerelease
 release_tag: nightly
 ls_branch: nightly
 repo_vars:
-  - JSON_URL = 'https://lidarr.servarr.com/v1/update/nightly/changes?runtime=netcore%26os=linux'
-  - JSON_PATH = '.[0].version'
   - BUILD_VERSION_ARG = 'LIDARR_RELEASE'
   - LS_USER = 'linuxserver'
   - LS_REPO = 'docker-lidarr'
@@ -16,7 +14,7 @@ repo_vars:
   - DOCKERHUB_IMAGE = 'linuxserver/lidarr'
   - DEV_DOCKERHUB_IMAGE = 'lsiodev/lidarr'
   - PR_DOCKERHUB_IMAGE = 'lspipepr/lidarr'
-  - DIST_IMAGE = 'ubuntu'
+  - DIST_IMAGE = 'alpine'
   - MULTIARCH='true'
   - CI='true'
   - CI_WEB='true'
diff --git a/readme-vars.yml b/readme-vars.yml
index 082f2c8..a8f54f4 100644
--- a/readme-vars.yml
+++ b/readme-vars.yml
@@ -58,6 +58,8 @@ app_setup_block: |
 
 # changelog
 changelogs:
+  - { date: "04.02.22:", desc: "Rebase nightly branch to Alpine." }
+  - { date: "30.12.21:", desc: "Add nightly-alpine branch." }
   - { date: "01.08.21:", desc: "Add libchromaprint-tools." }
   - { date: "11.07.21:", desc: "Make the paths clearer to the user." }
   - { date: "20.01.21:", desc: "Deprecate `UMASK_SET` in favor of UMASK in baseimage, see above for more information." }