Small docker image file for containerizing redis binary.

scratch-redis.Dockerfile

# syntax=docker/dockerfile:experimental

# Build staticly linked version of redis 
FROM alpine:3.18.4 as redis-builds
ADD https://download.redis.io/redis-stable.tar.gz .
ADD https://liquidtelecom.dl.sourceforge.net/project/tcl/Tcl/8.6.13/tcl8.6.13-src.tar.gz .
RUN set -ex && \
    apk add --no-cache make && \
    apk add --no-cache gcc musl-dev
RUN tar -xzf redis-stable.tar.gz \
    && tar -xzf tcl8.6.13-src.tar.gz \
    && cd tcl8.6.13/unix \
    && ./configure \
    && make \
    && make install \
    && cd ../../redis-stable/src \
    && make MALLOC=libc CFLAGS="-static" EXEEXT="-static" LDFLAGS="-static -I/usr/local/include/"

FROM scratch
WORKDIR /app
COPY --from=redis-builds /redis-stable/src/redis-server /app/
# If not overriden in docker-compose.yml
# EXPOSE 6379 
ENTRYPOINT [ "/app/redis-server","--protected-mode","no", "--port", "6379", "--bind", "*", "-::*", "--timeout", "0", "--tcp-backlog", "511", "--tcp-keepalive", "300"]