Move hardcoded secrets to .env files for dns-updateip, docker-registry, openclaw

- dns-updateip: APIKEY now uses ${APIKEY} substitution
- docker-registry: SECRET_KEY_BASE now uses ${SECRET_KEY_BASE} substitution
- openclaw: OPENCLAW_GATEWAY_TOKEN now uses ${OPENCLAW_GATEWAY_TOKEN} substitution
- Add .env.example templates for backrest, dns-updateip, docker-registry, openclaw

backrest/.env.example

@@ -0,0 +1,2 @@
+SMB_USERNAME=your_smb_username
+SMB_PASSWORD=your_smb_password

dns-updateip/.env.example

@@ -0,0 +1 @@
+APIKEY=your_dnsexit_api_key

dns-updateip/docker-compose.yaml

@@ -9,6 +9,6 @@ services:
      tty: true
 
      environment:
-        - APIKEY=s5P998CqUu5bqAukdS1dW57EfjgFlX
+        - APIKEY=${APIKEY}
         - HOST=kolpacksoftware.com,rmstsa.org,popcyclical.com
         - INTERVAL=1h

docker-registry/.env.example

@@ -0,0 +1 @@
+SECRET_KEY_BASE=generate_with_openssl_rand_-hex_64

docker-registry/docker-compose.yaml

@@ -12,7 +12,7 @@ services:
     environment:
       - DOCKER_REGISTRY_URL=https://docker-registry.kolpacksoftware.com/
       - PUBLIC_REGISTRY_URL=https://docker-registry.kolpacksoftware.com/
-      - SECRET_KEY_BASE=0c11bc7a755901fcbb5ba0ef5e6ede0911452e9c944d4ab0d8eb3ee1cf8ff7dd4f8fee82615415f5dc665763c6b18b3b8aee6655f44388bc27b27624f218bf86
+      - SECRET_KEY_BASE=${SECRET_KEY_BASE}
       - ENABLE_DELETE_IMAGES=true
       - VIRTUAL_HOST=docker-registry-ui.kolpacksoftware.com
       - VIRTUAL_PORT=8080

openclaw/.env.example

@@ -1,7 +1,2 @@
-# Generate a random token for gateway authentication
-# You can use: openssl rand -hex 32
-OPENCLAW_GATEWAY_TOKEN=your-gateway-token-here
-
-# Ollama Configuration
-# OpenClaw will connect to Ollama running at http://ollama:11434
-# Make sure Ollama is running and has models pulled (e.g., llama3, mistral)
+# OpenClaw Gateway Token (auto-generated or set manually)
+OPENCLAW_GATEWAY_TOKEN=your_gateway_token

openclaw/docker-compose.yml

@@ -11,7 +11,7 @@ services:
       - TZ=America/New_York
       - PUID=1000
       - PGID=1000
-      - OPENCLAW_GATEWAY_TOKEN=27d4e63adce6c8f7c5396e8ca3f9ec5e6ff590077247fb11da03a8684ee3c711
+      - OPENCLAW_GATEWAY_TOKEN=${OPENCLAW_GATEWAY_TOKEN}
       - OPENCLAW_GATEWAY_BIND=lan
       - OPENCLAW_AGENT_PROVIDER=ollama
       - OPENCLAW_AGENT_MODEL=llama3