Add SSH key file creation from environment variables with error handling

scripts/auto-boot-ollama-host.lua

@@ -76,7 +76,36 @@ end
 --   return false
 -- end
 
+local function createSSHKeyFilesFromEnv()
+  if SSH_PRIVATE_KEY == "" or SSH_PUBLIC_KEY == "" then
+    log("SSH_PRIVATE_KEY or SSH_PUBLIC_KEY env var is empty, skipping SSH key file creation.")
+    return
+  end
+
+  local priv_fh = io.open(SSH_IDENTITY_FILE, "w")
+  if not priv_fh then
+    log("Failed to open SSH identity file for writing: " .. SSH_IDENTITY_FILE)
+    return
+  end
+  priv_fh:write(SSH_PRIVATE_KEY)
+  priv_fh:close()
+  os.execute(("chmod 600 %q"):format(SSH_IDENTITY_FILE))
+  log("Wrote SSH private key to " .. SSH_IDENTITY_FILE)
+
+  local pub_fh = io.open(SSH_IDENTITY_FILE .. ".pub", "w")
+  if not pub_fh then
+    log("Failed to open SSH public key file for writing: " .. SSH_IDENTITY_FILE .. ".pub")
+    return
+  end
+  pub_fh:write(SSH_PUBLIC_KEY)
+  pub_fh:close()
+  os.execute(("chmod 644 %q"):format(SSH_IDENTITY_FILE .. ".pub"))
+  log("Wrote SSH public key to " .. SSH_IDENTITY_FILE .. ".pub")
+end
+
 local function main()
+  createSSHKeyFilesFromEnv()
+
   log(("Watching container='%s' since='%s'"):format(CONTAINER_NAME, SINCE))
   log(("Looking for pattern: %q"):format(ERROR_PATTERN))