user@ubuntu:~$ sudo docker run -t --rm -v /var/run/docker.sock:/var/run/docker.sock:ro pegleg/whaler -sV=1.36 nginx:latest
[sudo] password for user: 
Unable to find image 'pegleg/whaler:latest' locally
latest: Pulling from pegleg/whaler
df20fa9351a1: Already exists 
5bef82ae6286: Pull complete 
Digest: sha256:7b8fec82c8d09ba1a4da54e50b5a831a304681a13c17cb2abf10849878e86a73
Status: Downloaded newer image for pegleg/whaler:latest
Analyzing nginx:latest
Docker Version: 20.10.7
GraphDriver: overlay2
Environment Variables
|PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
|NGINX_VERSION=1.21.3
|NJS_VERSION=0.6.2
|PKG_RELEASE=1~buster

Open Ports
|80

Image user
|User is root

Potential secrets:
Dockerfile:
CMD ["bash"]
LABEL maintainer=NGINX Docker Maintainers <docker-maint@nginx.com>
ENV NGINX_VERSION=1.21.3
ENV NJS_VERSION=0.6.2
ENV PKG_RELEASE=1~buster
RUN set -x  \
	&& addgroup --system --gid 101 nginx  \
	&& adduser --system --disabled-login --ingroup nginx --no-create-home --home /nonexistent --gecos "nginx user" --shell /bin/false --uid 101 nginx  \
	&& apt-get update  \
	&& apt-get install --no-install-recommends --no-install-suggests -y gnupg1 ca-certificates  \
	&& NGINX_GPGKEY=573BFD6B3D8FBC641079A6ABABF5BD827BD9BF62; found=''; for server in ha.pool.sks-keyservers.net hkp://keyserver.ubuntu.com:80 hkp://p80.pool.sks-keyservers.net:80 pgp.mit.edu ; do echo "Fetching GPG key $NGINX_GPGKEY from $server"; apt-key adv --keyserver "$server" --keyserver-options timeout=10 --recv-keys "$NGINX_GPGKEY"  \
	&& found=yes  \
	&& break; done; test -z "$found"  \
	&& echo >&2 "error: failed to fetch GPG key $NGINX_GPGKEY"  \
	&& exit 1; apt-get remove --purge --auto-remove -y gnupg1  \
	&& rm -rf /var/lib/apt/lists/*  \
	&& dpkgArch="$(dpkg --print-architecture)"  \
	&& nginxPackages=" nginx=${NGINX_VERSION}-${PKG_RELEASE} nginx-module-xslt=${NGINX_VERSION}-${PKG_RELEASE} nginx-module-geoip=${NGINX_VERSION}-${PKG_RELEASE} nginx-module-image-filter=${NGINX_VERSION}-${PKG_RELEASE} nginx-module-njs=${NGINX_VERSION}+${NJS_VERSION}-${PKG_RELEASE} "  \
	&& case "$dpkgArch" in amd64|i386|arm64) echo "deb https://nginx.org/packages/mainline/debian/ buster nginx" >> /etc/apt/sources.list.d/nginx.list  \
	&& apt-get update ;; *) echo "deb-src https://nginx.org/packages/mainline/debian/ buster nginx" >> /etc/apt/sources.list.d/nginx.list  \
	&& tempDir="$(mktemp -d)"  \
	&& chmod 777 "$tempDir"  \
	&& savedAptMark="$(apt-mark showmanual)"  \
	&& apt-get update  \
	&& apt-get build-dep -y $nginxPackages  \
	&& ( cd "$tempDir"  \
	&& DEB_BUILD_OPTIONS="nocheck parallel=$(nproc)" apt-get source --compile $nginxPackages )  \
	&& apt-mark showmanual | xargs apt-mark auto > /dev/null  \
	&& { [ -z "$savedAptMark" ] || apt-mark manual $savedAptMark; }  \
	&& ls -lAFh "$tempDir"  \
	&& ( cd "$tempDir"  \
	&& dpkg-scanpackages . > Packages )  \
	&& grep '^Package: ' "$tempDir/Packages"  \
	&& echo "deb [ trusted=yes ] file://$tempDir ./" > /etc/apt/sources.list.d/temp.list  \
	&& apt-get -o Acquire::GzipIndexes=false update ;; esac  \
	&& apt-get install --no-install-recommends --no-install-suggests -y $nginxPackages gettext-base curl  \
	&& apt-get remove --purge --auto-remove -y  \
	&& rm -rf /var/lib/apt/lists/* /etc/apt/sources.list.d/nginx.list  \
	&& if [ -n "$tempDir" ]; then apt-get purge -y --auto-remove  \
	&& rm -rf "$tempDir" /etc/apt/sources.list.d/temp.list; fi  \
	&& ln -sf /dev/stdout /var/log/nginx/access.log  \
	&& ln -sf /dev/stderr /var/log/nginx/error.log  \
	&& mkdir /docker-entrypoint.d
COPY file:65504f71f5855ca017fb64d502ce873a31b2e0decd75297a8fb0a287f97acf92 in /
	docker-entrypoint.sh

COPY file:0b866ff3fc1ef5b03c4e6c8c513ae014f691fb05d530257dfffd07035c1b75da in /docker-entrypoint.d
	docker-entrypoint.d/
	docker-entrypoint.d/10-listen-on-ipv6-by-default.sh

COPY file:0fd5fca330dcd6a7de297435e32af634f29f7132ed0550d342cad9fd20158258 in /docker-entrypoint.d
	docker-entrypoint.d/
	docker-entrypoint.d/20-envsubst-on-templates.sh

COPY file:09a214a3e07c919af2fb2d7c749ccbc446b8c10eb217366e5a65640ee9edcc25 in /docker-entrypoint.d
	docker-entrypoint.d/
	docker-entrypoint.d/30-tune-worker-processes.sh

ENTRYPOINT ["/docker-entrypoint.sh"]
EXPOSE 80
STOPSIGNAL SIGQUIT
CMD ["nginx" "-g" "daemon off;"]