Environment variables :
{% set envfilter = ["PATH", "NGINX_VERSION", "NJS_VERSION", "PKG_RELEASE"] %}
{% for k, v in service.items() %}
{% if not k.startswith("PATH=") and not k.startswith("NGINX_VERSION=") and not k.startswith("NJS_VERSION=") and not k.startswith("PKG_RELEASE=") %}
{{ k + "=" + v }}
{% endif %}
{% endfor %}