gistfile1.txt

{{ range services }}{{ with $serviceMap := .}}{{ range $serviceMap.Tags }}{{ if . | regexMatch "load_balance" }}
frontend {{ $serviceMap.Name }}-in
    bind *:{{ range $serviceMap.Tags }}{{ if . | regexMatch "port:" }}{{ . | regexReplaceAll ".*:(.*)" "$1" }}{{end}}{{end}}
    default_backend {{ $serviceMap.Name }}:{{ range $serviceMap.Tags }}{{ if . | regexMatch "role:" }}{{ . | regexReplaceAll ".*:(.*)" "$1" }}{{end}}{{end}}

backend {{ $serviceMap.Name }}:{{ range $serviceMap.Tags }}{{ if . | regexMatch "role:" }}{{ . | regexReplaceAll ".*:(.*)" "$1" }}{{end}}{{end}}
    balance roundrobin
    option httpchk
    option httplog
    {{range service $serviceMap.Name }}
    server {{.Node}} {{.NodeAddress}}:{{.Port}} check port {{.Port}}{{end}}
{{end}}{{end}}{{end}}{{end}}