diff --git a/.drone.yml b/.drone.yml
deleted file mode 100644
index e0b4513..0000000
--- a/.drone.yml
+++ /dev/null
@@ -1,28 +0,0 @@
-kind: pipeline
-name: default
-
-steps:
-  - name: build and publish monica docker image
-    image: plugins/docker
-    settings:
-      registry: gitea.sikorski.cloud
-      username: rogersik
-      password:
-        from_secret: "gitea_token"
-      repo: gitea.sikorski.cloud/rogersik/docker-monica
-      tags: latest,4
-      cache_from: gitea.sikorski.cloud/rogersik/docker-monica:latest
-
-  - name: notify
-    image: drillster/drone-email
-    settings:
-      host: mailcow.basecom.de
-      from:
-        from_secret: "Notifications_Address"
-      username:
-        from_secret: "Notifications_Address"
-      password:
-        from_secret: "Notifications_Address_Password"
-      recipients: [roger@sikorski.cloud]
-    when:
-      status: [failure]
diff --git a/.gitea/workflows/dev.yaml b/.gitea/workflows/dev.yaml
new file mode 100644
index 0000000..c00e210
--- /dev/null
+++ b/.gitea/workflows/dev.yaml
@@ -0,0 +1,31 @@
+name: docker-monica-build mr
+
+on:
+  push:
+    branches-ignore:
+      - main
+
+jobs:
+  Dockerfile lint:
+    runs-on: k3s
+    steps:
+      - uses: actions/checkout@v3
+      - uses: hadolint/hadolint-action@v3.1.0
+        with:
+          dockerfile: Dockerfile
+
+  build:
+    needs: Dockerfile lint
+    runs-on: docker
+    steps:
+      - uses: actions/checkout@v3
+      - name: Pull Docker Image for caching
+        run: docker pull gitea.sikorski.cloud/rogersik/monica:development || exit 0
+      - name: Build docker image
+        run: |
+          docker build . \
+            --cache-from gitea.sikorski.cloud/rogersik/monica:development \
+            --file Dockerfile \
+            --tag gitea.sikorski.cloud/rogersik/monica:development
+      - name: Push docker image
+        run: docker push gitea.sikorski.cloud/rogersik/monica --all-tags
diff --git a/.gitea/workflows/main.yaml b/.gitea/workflows/main.yaml
new file mode 100644
index 0000000..6b13961
--- /dev/null
+++ b/.gitea/workflows/main.yaml
@@ -0,0 +1,34 @@
+---
+name: docker-monica-build main
+on:
+  push:
+    branches:
+      - main
+  schedule:
+    - cron: "0 6 * * SUN"
+
+jobs:
+  Dockerfile lint:
+    runs-on: k3s
+    steps:
+      - uses: actions/checkout@v3
+      - uses: hadolint/hadolint-action@v3.1.0
+        with:
+          dockerfile: Dockerfile
+
+  build:
+    needs: Dockerfile lint
+    runs-on: docker
+    steps:
+      - uses: actions/checkout@v3
+      - name: Pull Docker Image for caching
+        run: docker pull gitea.sikorski.cloud/rogersik/monica:latest || exit 0
+      - name: Build docker image
+        run: |
+          docker build . \
+            --cache-from gitea.sikorski.cloud/rogersik/monica:latest \
+            --file Dockerfile \
+            --tag gitea.sikorski.cloud/rogersik/monica:latest
+            --tag gitea.sikorski.cloud/rogersik/monica:4
+      - name: Push docker image
+        run: docker push gitea.sikorski.cloud/rogersik/monica --all-tags
diff --git a/.hadolint.yaml b/.hadolint.yaml
new file mode 100644
index 0000000..81540f9
--- /dev/null
+++ b/.hadolint.yaml
@@ -0,0 +1,2 @@
+ignored:
+  - DL3008 # no need to pin versions
diff --git a/Dockerfile b/Dockerfile
index 7000346..53c8cf5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,10 +1,11 @@
 # https://hub.docker.com/_/monica
 FROM monica:4
 
-# Use the default production configuration
-RUN mv "$PHP_INI_DIR/php.ini-production" "$PHP_INI_DIR/php.ini"
-# increase php upload limit
-RUN sed -i 's/upload_max_filesize = 2M/upload_max_filesize = 50M/' "$PHP_INI_DIR/php.ini"
+RUN \
+  # Use the default production configuration
+  mv "$PHP_INI_DIR/php.ini-production" "$PHP_INI_DIR/php.ini" && \
+  # increase php upload limit
+  sed -i 's/upload_max_filesize = 2M/upload_max_filesize = 50M/' "$PHP_INI_DIR/php.ini"
 
 # supervisord dependencies
 RUN apt-get update && \