added Dockerfile and compose file

.woodpecker.yml

@@ -0,0 +1,24 @@
+when:
+  - branch: main
+    event: push
+
+
+variables:
+  - &file Dockerfile
+  - &repo git.jmbit.de/${CI_REPO_OWNER}/${CI_REPO_NAME}
+
+steps:
+  build:
+    image: woodpeckerci/plugin-docker-buildx
+    settings:
+      dockerfile: *file
+      platforms: linux/arm64/v8,linux/amd64
+      repo: *repo
+      registry: git.jmbit.de
+      tags: latest
+      username: ${CI_REPO_OWNER}
+      password:
+        from_secret: forgejo_token
+    when:
+      event: push
+

Dockerfile

@@ -0,0 +1,13 @@
+ARG CADDY_VERSION=2.8
+FROM caddy:${CADDY_VERSION}-builder-alpine AS builder
+
+RUN xcaddy build \
+    --with github.com/lucaslorentz/caddy-docker-proxy/v2 \
+    --with github.com/mholt/caddy-l4
+
+FROM caddy:${CADDY_VERSION}-alpine
+
+COPY --from=builder /usr/bin/caddy /usr/bin/caddy
+
+CMD ["caddy", "docker-proxy"]
+

docker-compose.yml

@@ -0,0 +1,33 @@
+services:
+  caddy:
+    image: git.jmbit.de/jmb/caddy-proxy
+    container_name: "caddy"
+    ports:
+      - "80:80"
+      - "443:443"
+    volumes:
+      - "/srv/caddy/data:/data"
+      - "/srv/caddy/Caddyfile:/Caddyfile"
+      - "/var/run/docker.sock:/var/run/docker.sock:ro"
+    networks:
+      - caddy-network
+    environment:
+      - "CADDY_DOCKER_CADDYFILE_PATH=/Caddyfile"
+  www:
+    container_name: www-jmbit-de
+    image: git.jmbit.de/jmb/www-jmbit-de
+    restart: unless-stopped
+    networks:
+      - caddy-network
+    expose:
+      - 80
+    labels:
+      caddy: www.jmbit.de
+      caddy.reverse_proxy: "{{upstreams 80}}"
+      caddy.0_header: server Potato
+networks:
+  caddy-network:
+    driver: bridge
+    name: caddy-network
+    external: true
+