message: do not run apk upgrade to stay on curl 7.63.0 which does not have the multi dns isuse
diff: @@ -33,9 +33,7 @@ COPY ssmtp.conf /etc/ssmtp/ssmtp.conf
  ENV NEWRELIC_VERSION=8.1.0.209
  -RUN apk update \
  - && apk upgrade \
  - && apk add --no-cache fcgi \
  +RUN apk add --no-cache fcgi \
  ssmtp \
  libzip libzip-dev \
  # for gd
  