Docker: Add DynDNS client for DigitalOcean

Makefile

@@ -223,6 +223,9 @@ docker-local:
 	scripts/docker/build.sh photoprism
 docker-pull:
 	docker pull photoprism/photoprism:preview photoprism/photoprism:latest
+docker-ddns:
+	docker pull golang:alpine
+	scripts/docker/multiarch.sh ddns linux/amd64,linux/arm64 $(DOCKER_TAG)
 docker-goproxy:
 	docker pull golang:alpine
 	scripts/docker/multiarch.sh goproxy linux/amd64,linux/arm64 $(DOCKER_TAG)

docker-compose.ci.yml

@@ -17,7 +17,6 @@ services:
       - "~/.cache/npm:/root/.cache/npm"
       - "~/.cache/go-mod:/go/pkg/mod"
     environment:
-      GOPROXY: ${GOPROXY:-http://goproxy:8888,direct}
       PHOTOPRISM_SITE_URL: "http://localhost:2342/"
       PHOTOPRISM_SITE_TITLE: "PhotoPrism"
       PHOTOPRISM_SITE_CAPTION: "Browse Your Life"

docker/ddns/Dockerfile

@@ -0,0 +1,8 @@
+FROM golang:alpine
+
+# Q: What is this?
+# A: DDNS is a personal DynDNS client for DigitalOcean, see https://github.com/skibish/ddns.
+
+RUN go install github.com/skibish/ddns@latest
+
+CMD ["ddns", "-conf-file", "/config/ddns.yml"]

docker/ddns/config/ddns.yml

@@ -0,0 +1,64 @@
+# DigitalOcean DynDNS Config
+
+# Mandatory, DigitalOcean API token.
+# It can be also set using environment variable DDNS_TOKEN.
+token: ""
+
+# By default, IP check occurs every 5 minutes.
+# It can be also set using environment variable DDNS_CHECKPERIOD.
+checkPeriod: "5m"
+
+# By default, timeout to external resources is set to 10 seconds.
+# It can be also set using environment variable DDNS_REQUESTTIMEOUT.
+requestTimeout: "10s"
+
+# By default, IPv6 address is not requested.
+# IPv6 address can be forced by setting it to `true`.
+# It can be also set using environment variable DDNS_IPV6.
+ipv6: false
+
+# List of domains and their records to update.
+domains:
+  example.com:
+    # More details about the fields can be found here:
+    # https://developers.digitalocean.com/documentation/v2/#create-a-new-domain-record
+    - type: "A"
+      name: "www"
+    - type: "TXT"
+      name: "demo"
+
+      # By default, is set to "{{.IP}}" (key .IP is reserved).
+      # Supports Go template engine.
+      # Additional keys can be set in "params" block below.
+      data: "My IP is {{.IP}} and I am {{.mood}}"
+
+      # By default, 1800 seconds (5 minutes).
+      ttl: 1800
+
+# By default, params is empty.
+params:
+  mood: "cool"
+
+# By default, notifications is empty.
+notifications:
+
+  # Gotify (https://gotify.net)
+  - type: "gotify"
+    app_url: "https://gotify.example.com"
+    app_token: ""
+    title: "DDNS"
+
+    # SMTP
+  - type: "smtp"
+    user: "foo@bar.com"
+    password: "1234"
+    host: "localhost"
+    port: "468"
+    from: "bar@foo.com"
+    to: "foo@foo.com"
+    subject: "My DDNS sending me a message"
+
+    # Telegram (https://telegram.org)
+  - type: "telegram"
+    token: "telegram bot token"
+    chat_id: "1234"

docker/ddns/docker-compose.yml

@@ -0,0 +1,9 @@
+version: '3.5'
+
+# DDNS is a personal DynDNS client for DigitalOcean, see https://github.com/skibish/ddns
+services:
+  ddns:
+    image: photoprism/ddns:latest
+    user: "1000:1000"
+    volumes:
+      - "./config:/config" # edit "config/ddns.yml" before starting the service