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+### CRIMSON --- A simple PHP framework.
+### Copyright © 2024 Freya Murphy <contact@freyacat.org>
+###
+### This file is part of CRIMSON.
+###
+### CRIMSON is free software; you can redistribute it and/or modify it
+### under the terms of the GNU General Public License as published by
+### the Free Software Foundation; either version 3 of the License, or (at
+### your option) any later version.
+###
+### CRIMSON is distributed in the hope that it will be useful, but
+### WITHOUT ANY WARRANTY; without even the implied warranty of
+### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+### GNU General Public License for more details.
+###
+### You should have received a copy of the GNU General Public License
+### along with CRIMSON. If not, see <http://www.gnu.org/licenses/>.
+FROM alpine:latest
+
+# install packages
+RUN apk add --no-cache postgresql16-client tini shadow sed
+RUN rm -fr /var/cache/apk/*
+
+# setup main user
+RUN adduser -D db-init
+RUN groupmod --gid 1000 db-init
+RUN usermod --uid 1000 db-init
+
+# copy scripts
+COPY ./db-init /usr/local/bin/db-init
+COPY ./rev.sql /var/lib/rev.sql
+COPY ./ext.sql /var/lib/ext.sql
+COPY ./base.sql /var/lib/base.sql
+
+# remove build packages
+RUN apk del shadow
+
+# do the
+USER db-init
+ENTRYPOINT ["/sbin/tini", "--"]
+CMD ["/usr/local/bin/db-init"]