alpine/i3/Dockerfile

# syntax = docker/dockerfile:1
FROM alpine/base
USER root

# Build ARG: use "root" for debugging
ARG debug

# X session environment variable
ENV STARTXBIN=i3

# Run
RUN apk add --no-cache \
    tigervnc \
    i3wm \
    font-dejavu

# Tigervnc initialization scripts
COPY *.sh /app/init.d/

# Reset user
USER ${debug:-user}