FROM alpine:latest
LABEL maintainer="Mike Crute <mike@crute.us>"

RUN set -euxo pipefail; \
    apk add --no-cache \
        dumb-init \
        su-exec \
        libnice; \
    adduser -SDH stun

CMD [ \
    "/usr/bin/dumb-init", "-c", \
    "/sbin/su-exec", "stun", \
    "/usr/bin/stund", "-4" \
]