Add cron/README.md

cron/README.md

@@ -0,0 +1,19 @@
+compose.yml
+```yml
+services:
+  cron:
+    build:
+      dockerfile_inline: |
+        FROM alpine
+        RUN apk add --no-cache openssh        
+    volumes: [$HOME/.ssh:/root/.ssh]
+    network_mode: host
+    entrypoint: ssh $USER@localhost
+    stop_grace_period: 0s
+    restart: unless-stopped
+    command:
+      - |
+        cd /Users/w/dock/public/radiology.yauk.tv
+        /Users/w/.venv/bin/python main.py
+        tail -f /dev/null
+```