Merge pull request #3 from ElioDiNino/caddy

feat: Caddy configuration

caddy/.env.example

@@ -0,0 +1,9 @@
+CLOUDFLARE_API_TOKEN="cloudflare_api_token"
+EXTERNAL_DOMAIN="internal.example.com"
+PROXY_HOST_URL="http://localhost"
+HOME_ASSISTANT_SUBDOMAIN="home-assistant"
+HOME_ASSISTANT_PORT="8123"
+SPOTIFY_DASH_FRONT_SUBDOMAIN="spotify-dashboard"
+SPOTIFY_DASH_FRONT_PORT="3000"
+SPOTIFY_DASH_BACK_SUBDOMAIN="spotify-dashboard-backend"
+SPOTIFY_DASH_BACK_PORT="8080"

caddy/Caddyfile

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+(cloudflare) {
+        tls {
+                dns cloudflare {env.CLOUDFLARE_API_TOKEN}
+                resolvers 1.1.1.1
+        }
+}
+
+# Home Assistant
+{$HOME_ASSISTANT_SUBDOMAIN}.{$EXTERNAL_DOMAIN} {
+        reverse_proxy {$PROXY_HOST_URL}:{$HOME_ASSISTANT_PORT}
+        import cloudflare
+}
+
+# Spotify Dashboard Frontend
+{$SPOTIFY_DASH_FRONT_SUBDOMAIN}.{$EXTERNAL_DOMAIN} {
+        reverse_proxy {$PROXY_HOST_URL}:{$SPOTIFY_DASH_FRONT_PORT}
+        import cloudflare
+}
+
+# Spotify Dashboard Backend
+{$SPOTIFY_DASH_BACK_SUBDOMAIN}.{$EXTERNAL_DOMAIN} {
+        reverse_proxy {$PROXY_HOST_URL}:{$SPOTIFY_DASH_BACK_PORT}
+        import cloudflare
+}

caddy/Dockerfile

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+FROM caddy:2-builder AS builder
+
+# Build the Caddy with the Cloudflare DNS module
+RUN xcaddy build \
+    --with github.com/caddy-dns/cloudflare
+
+FROM caddy:2
+
+COPY --from=builder /usr/bin/caddy /usr/bin/caddy

caddy/README.md

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+# Caddy
+
+I use Caddy as a reverse proxy for my services. I use a custom build that includes the Cloudflare DNS plugin for automatic SSL certificate management.
+
+## Commands
+
+### Start services
+
+```sh
+docker-compose up -d
+```
+
+### Stop services
+
+```sh
+docker-compose down
+```

caddy/docker-compose.yml

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+services:
+  caddy:
+    image: caddy:custom
+    build: .
+    restart: unless-stopped
+    cap_add:
+      - NET_ADMIN
+    ports:
+      - "80:80"
+      - "443:443"
+      - "443:443/udp"
+    volumes:
+      - ./Caddyfile:/etc/caddy/Caddyfile
+      - caddy_data:/data
+      - caddy_config:/config
+    environment:
+      CLOUDFLARE_API_TOKEN: ${CLOUDFLARE_API_TOKEN:?error}
+      EXTERNAL_DOMAIN: ${EXTERNAL_DOMAIN:?error}
+      PROXY_HOST_URL: ${PROXY_HOST_URL:?error}
+      HOME_ASSISTANT_SUBDOMAIN: ${HOME_ASSISTANT_SUBDOMAIN:?error}
+      HOME_ASSISTANT_PORT: ${HOME_ASSISTANT_PORT:?error}
+      SPOTIFY_DASH_FRONT_SUBDOMAIN: ${SPOTIFY_DASH_FRONT_SUBDOMAIN:?error}
+      SPOTIFY_DASH_FRONT_PORT: ${SPOTIFY_DASH_FRONT_PORT:?error}
+      SPOTIFY_DASH_BACK_SUBDOMAIN: ${SPOTIFY_DASH_BACK_SUBDOMAIN:?error}
+      SPOTIFY_DASH_BACK_PORT: ${SPOTIFY_DASH_BACK_PORT:?error}
+volumes:
+  caddy_data:
+    external: true
+  caddy_config: