Alpine Nginx image

Dockerfile

FROM alpine:3.10
RUN apk update && apk upgrade
RUN apk add openssl curl ca-certificates
RUN printf "%s%s%s\n" \
    "http://nginx.org/packages/mainline/alpine/v" \
    `egrep -o '^[0-9]+\.[0-9]+' /etc/alpine-release` \
    "/main" \
    | tee -a /etc/apk/repositories
RUN curl -o /etc/apk/keys/nginx_signing.rsa.pub https://nginx.org/keys/nginx_signing.rsa.pub
RUN apk add nginx

RUN sed "s/access_log\s*[^;]*/access_log \/dev\/stdout/g" -i /etc/nginx/nginx.conf
RUN sed "s/error_log\s*[^;]*/error_log \/dev\/stdout/g" -i /etc/nginx/nginx.conf
RUN echo "daemon off;" >> /etc/nginx/nginx.conf

EXPOSE 80
EXPOSE 443

CMD ["/usr/sbin/nginx"]