docker run -d oba11/haproxy-confd

STATS_PASSWORD: This is the stats password with default value set as admin.

HTTP_BACKENDS: Comma separated list of http backends e.g 1.2.3.4:80 or 1.1.2.2:80,1.2.3.4:80. HTTPS_BACKENDS: Comma separated list of http backends e.g 1.2.3.4:443 or 1.1.2.2:80,1.2.3.4:443.

You can only set either HTTP_BACKENDS or HTTPS_BACKENDS