Dockerfile

FROM ubuntu:22.04
LABEL maintainer="vsalomaki@gmail.com"

# Build arguments
ARG S6_OVERLAY_VERSION=3.1.2.1
ARG S6_OVERLAY_NOARCH_SHA256=cee89d3eeabdfe15239b2c5c3581d9352d2197d4fd23bba3f1e64bf916ccf496
ARG S6_OVERLAY_X86_SHA256=6019b6b06cfdbb1d1cd572d46b9b158a4904fd19ca59d374de4ddaaa6a3727d5
ARG S6_OVERLAY_SYMLINKS_SHA256=1e36efb936084fddffe6c55dae8f478e7b2d70f77db2caaceb78c7425b9a7956
ARG GOSU_VERSION=1.10
ARG DEBIAN_FRONTEND=noninteractive

# Finland is quite nice place to live.
# Instead of forking this you should move your living address here.
ENV TZ="Europe/Helsinki" 

RUN echo "cachebust-2"

RUN set -x \
    # Update sources and upgrade all packages
    && apt update -y \
    && apt upgrade -y \
    && apt install -y apt-utils \
    # Install ca-certificates
    && apt install -y curl ca-certificates jq iputils-ping \
    && apt install -y tzdata locales gettext gosu xz-utils \
    # Set timezone
    && locale-gen "en_US.UTF-8" \
    && ln -fs /usr/share/zoneinfo/${TZ} /etc/localtime \
    && dpkg-reconfigure tzdata 


RUN \
    ##
    # Add S6-overlay to use S6 process manager
    # source: https://github.com/just-containers/s6-overlay/#the-docker-way
    ##
    curl -L -o /tmp/download.tar.xz https://github.com/just-containers/s6-overlay/releases/download/v${S6_OVERLAY_VERSION}/s6-overlay-noarch.tar.xz \
    && echo "${S6_OVERLAY_NOARCH_SHA256} /tmp/download.tar.xz" | sha256sum -c \
    && tar -Jxpf /tmp/download.tar.xz -C / \
    && curl -L -o /tmp/download.tar.xz https://github.com/just-containers/s6-overlay/releases/download/v${S6_OVERLAY_VERSION}/s6-overlay-x86_64.tar.xz \
    && echo "${S6_OVERLAY_X86_SHA256} /tmp/download.tar.xz" | sha256sum -c \
    && tar -Jxpf /tmp/download.tar.xz -C / \
    && curl -L -o /tmp/download.tar.xz https://github.com/just-containers/s6-overlay/releases/download/v${S6_OVERLAY_VERSION}/s6-overlay-symlinks-noarch.tar.xz \
    && echo "${S6_OVERLAY_SYMLINKS_SHA256} /tmp/download.tar.xz" | sha256sum -c \
    && tar -Jxpf /tmp/download.tar.xz -C / 


RUN \
    ##
    # Create a few aliases
    ##
    # ll
    echo "#!/bin/sh \nls -lah \"\$@\"" > /usr/local/bin/ll \
    # la
    && echo "#!/bin/sh \nls -A \"\$@\"" > /usr/local/bin/la \
    # l
    && echo "#!/bin/sh \nls -CF \"\$@\"" > /usr/local/bin/l \
    && chmod a+x /usr/local/bin/ll /usr/local/bin/la /usr/local/bin/l \
    # Cleanup
    && apt-get remove --purge -y $(apt-mark showauto) \
    && apt-get clean \
    && rm -rf /var/lib/apt/lists/* /tmp/* /var/log/apt/*

ENV LANG en_US.UTF-8  
ENV LANGUAGE en_US:en  
ENV LC_ALL en_US.UTF-8  

ENTRYPOINT ["/init"]