Build lnav in alpine container to get latest version. (Had been frustrated with old version in typical Linux repos.)

Dockerfile

 syntax=docker/dockerfile:1

#
# Builds `lnav` in alpine container
# https://github.com/tstack/lnav
#
# docker build -t lnav:latest .
# docker run -it --rm -v "$PWD":"/data" lnav:latest /data/some.log
#

FROM alpine:latest AS builder
WORKDIR /lnav-build
RUN apk update && apk upgrade --no-cache
RUN apk add --no-cache                            \
            automake autoconf build-base zlib-dev \
            ncurses-dev pcre-dev readline-dev     \
            sqlite-dev openssh-keygen git
RUN git clone https://github.com/tstack/lnav.git /lnav-build
RUN ./autogen.sh
RUN ./configure --enable-static
RUN make -j 4

FROM alpine:latest
RUN apk update                                       && \
    apk upgrade --no-cache                           && \
    apk add --no-cache readline sqlite-libs ncurses
COPY --from=builder /lnav-build/src/lnav /usr/bin/
ENTRYPOINT ["/usr/bin/lnav"]