ARG ALPINE_VERSION=edge
FROM docker.io/alpine:${ALPINE_VERSION}

ARG POWERDNS_VERSION=4.9.4-r0
# Enable community repo
RUN apk add --no-cache alpine-conf
RUN setup-apkrepos -c
RUN apk del alpine-conf
RUN apk --no-cache add \
  "pdns=${POWERDNS_VERSION}" \
  pdns-backend-bind \
  pdns-backend-ldap \
  pdns-backend-lmdb \
  pdns-backend-mariadb \
  pdns-backend-mysql \
  pdns-backend-pgsql \
  pdns-backend-mariadb \
  pdns-backend-sqlite3 \
  pdns-backend-odbc \
  pdns-backend-pipe \
  pdns-backend-remote \
  pdns-backend-lua2 \
  libcap

RUN setcap 'cap_net_bind_service=+eip' /usr/sbin/pdns_server
SHELL ["/bin/bash", "-c"]

CMD ["/usr/sbin/pdns_server"]