diff --git a/.woodpecker.yml b/.woodpecker.yml
index 651e9d7997..34a5535bb8 100644
--- a/.woodpecker.yml
+++ b/.woodpecker.yml
@@ -3,9 +3,23 @@ pipeline:
     image: docker:rc-git
     volumes:
       - /var/run/docker.sock:/var/run/docker.sock
+    environment:
+      NAME: gitea.treehouse.systems/treehouse/mastodon
     commands:
       - docker version
-      - docker image build -f Dockerfile . -t gitea.treehouse.systems/treehouse/mastodon:latest
+      - docker image build -f Dockerfile --build-arg SOURCE_TAG=$CI_COMMIT_SHA . -t $NAME:latest
+      - docker tag $NAME:latest $NAME:$CI_COMMIT_SHA
+      - docker tag $NAME:$(date -Idate -u)
+
+  # maybe we can use tags someday,,,
+  # tag-tag:
+  #   image: docker:rc-git
+  #   volumes:
+  #     - /var/run/docker.sock:/var/run/docker.sock
+  #   commands:
+  #     - docker tag $NAME:latest $NAME:$CI_COMMIT_TAG
+  #   when:
+  #     event: tag
 
   push:
     image: docker:rc-git
diff --git a/Dockerfile b/Dockerfile
index 26a4b34f96..665a1bea46 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 # syntax=docker/dockerfile:1.4
 # This needs to be bullseye-slim because the Ruby image is built on bullseye-slim
-ARG NODE_VERSION="16.19-bullseye-slim"
+ARG NODE_VERSION="18.15-bullseye-slim"
 
 FROM ghcr.io/moritzheiber/ruby-jemalloc:3.2.1-slim as ruby
 FROM node:${NODE_VERSION} as build
@@ -59,6 +59,7 @@ RUN bundle exec rails assets:precompile
 
 FROM node:${NODE_VERSION}
 
+ARG SOURCE_TAG=''
 ARG UID="991"
 ARG GID="991"
 
@@ -102,7 +103,8 @@ COPY --link --chown=mastodon:mastodon --from=build /opt/mastodon /opt/mastodon
 ENV RAILS_ENV="production" \
     NODE_ENV="production" \
     RAILS_SERVE_STATIC_FILES="true" \
-    BIND="0.0.0.0"
+    BIND="0.0.0.0" \
+    SOURCE_TAG="${SOURCE_TAG}"
 
 # Set the run user
 USER mastodon
diff --git a/lib/mastodon/version.rb b/lib/mastodon/version.rb
index d25d1dd3f9..da07a398ec 100644
--- a/lib/mastodon/version.rb
+++ b/lib/mastodon/version.rb
@@ -21,7 +21,7 @@ module Mastodon
     end
 
     def suffix
-      '+glitch+th'
+      '+glitch.th'
     end
 
     def to_a
@@ -42,7 +42,9 @@ module Mastodon
 
     # specify git tag or commit hash here
     def source_tag
-      ENV.fetch('SOURCE_TAG', nil)
+      tag = ENV.fetch('SOURCE_TAG', nil)
+      return if tag.nil? || tag.empty?
+      tag
     end
 
     def source_url