Add .dockerignore and update Dockerfile and compose.yaml for SSH key handling

compose.yaml

@@ -1,6 +1,14 @@
 services:
   auto-boot-ollama-host:
-    build: .
+    build:
+      context: .
+      args:
+        # Build-time only (sourced from your .env)
+        SSH_PUBLIC_KEY: "${SSH_PUBLIC_KEY}"
+        SSH_PRIVATE_KEY: "${SSH_PRIVATE_KEY}"
+        OLLAMA_HOST: "${OLLAMA_HOST:-192.168.222.12}"
+        OLLAMA_PORT: "${OLLAMA_PORT:-11434}"
+        SINCE: "${SINCE:-0s}"
     container_name: auto-boot-ollama-host
     network_mode: host
     environment:
@@ -11,8 +19,6 @@ services:
       WOL_MAC: "${WOL_MAC}"
       WOL_BCAST: "${WOL_BCAST:-192.168.222.255}"    # optional
       WOL_PORT: "${WOL_PORT:-9}"                    # optional
-      #SSH_PUBLIC_KEY: "${SSH_PUBLIC_KEY}"
-      #SSH_PRIVATE_KEY: "${SSH_PRIVATE_KEY}"
     restart: unless-stopped
     volumes:
       - /etc/localtime:/etc/localtime:ro