numbered pj, in-docker prompt indicator

.starship.toml

@@ -1,5 +1,5 @@
 add_newline = false
-format = """${custom.docker_compose}$git_branch$git_status$fill$directory
+format = """${custom.in_docker}${custom.docker_compose}$git_branch$git_status$fill$directory
 $character"""
 right_format = """$cmd_duration$username[@](red)$hostname $time"""
 
@@ -41,6 +41,14 @@ symbol = " "
 success_symbol = "[➤](green)"
 error_symbol = "[➤](red)"
 
+[custom.in_docker]
+command = "echo \"🙆 $HOSTNAME\""
+when = "test -f /.dockerenv"
+shell = ["bash", "--noprofile", "--norc"]
+style = "yellow bold"
+symbol = ""
+format = "[$output ]($style)"
+
 [custom.docker_compose]
 command = '''docker compose ps --format json 2>/dev/null | jq -rse 'if length == 0 then halt_error(1) else [group_by(.State) | .[] | "\(if .[0].State == "running" then "▲" else "▼" end)\(length)"] | "🐳 " + join("/") end' '''
 detect_files = ["docker-compose.yml", "docker-compose.yaml", "compose.yml", "compose.yaml"]