zfgrep
Matches fixed strings in possibly compressed files. Equivalent to grep -F with input decompressed first if necessary. More information: <https://manned.org/zfgrep>.
RUN apt-get update && \
apt-get install -y gzip
RUN apt-get update && \
apt-get install -y gzip
RUN apk add gzip
RUN pacman -S --noconfirm gzip
RUN apt-get update && \
apt-get install -y gzip
RUN yum install -y gzip
RUN dnf install -y gzip
RUN apt-get update && \
apt-get install -y gzip