Add Dockefile for the application and demo database

docker-compose.yml

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+---
+version: "3"
+
+networks:
+  numerus:
+    driver: bridge 
+
+services:
+  app:
+    build:
+      args:
+        user: numerus
+        uid: 1000
+      context: numerus/
+      dockerfile: Dockerfile
+    restart: unless-stopped
+    environment:
+      - PGHOST=db
+      - PGUSER=numerus
+      - PGPASSWORD=numerus
+      - PGDATABASE=numerus
+    ports:
+      - '8083:8080'
+    networks:
+      - numerus
+    depends_on:
+      - db
+
+  db:
+    build:
+      context: postgres/
+      dockerfile: Dockerfile
+    restart: always
+    environment:
+      - POSTGRES_DB=numerus
+      - POSTGRES_PASSWORD=postgres
+      - NUMERUS_USER=numerus
+      - NUMERUS_PASSWORD=numerus
+    networks:
+      - numerus

numerus/Dockerfile

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+FROM debian:bullseye
+
+RUN set -eux \
+	&& apt-get update \
+	&& export DEBIAN_FRONTEND=noninteractive \
+	&& apt-get install -y curl gpg \
+	&& curl https://build.opensuse.org/projects/home:jfita:numerus/public_key | gpg --dearmor -o /etc/apt/trusted.gpg.d/obs-numerus.gpg \
+	&& echo 'deb [signed-by=/etc/apt/trusted.gpg.d/obs-numerus.gpg] http://download.opensuse.org/repositories/home:/jfita:/numerus/Debian_11/ ./' >> /etc/apt/sources.list.d/numerus.list \
+	&& apt-get remove --purge -y curl gpg \
+	&& apt-get autoremove --purge -y \
+	&& apt-get update \
+	&& apt-get install -y numerus \
+	&& apt-get clean
+
+EXPOSE 8080
+
+WORKDIR /usr/share/numerus
+
+CMD ["numerus"]

postgres/Dockerfile

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+FROM postgres:14-bullseye
+
+RUN set -eux \
+	&& apt-get update \
+	&& export DEBIAN_FRONTEND=noninteractive \
+	&& apt-get install -y curl gpg \
+	&& curl https://build.opensuse.org/projects/home:jfita:numerus/public_key | gpg --dearmor -o /etc/apt/trusted.gpg.d/obs-numerus.gpg \
+	&& echo 'deb [signed-by=/etc/apt/trusted.gpg.d/obs-numerus.gpg] http://download.opensuse.org/repositories/home:/jfita:/numerus/Debian_11/ ./' >> /etc/apt/sources.list.d/numerus.list \
+	&& apt-get remove --purge -y curl gpg \
+	&& apt-get autoremove --purge -y \
+	&& apt-get update \
+	&& apt-get install -y numerus-sqitch numerus-demo \
+	&& ln /usr/share/numerus/demo.sql /docker-entrypoint-initdb.d/01-demo.sql \
+	&& apt-get clean
+
+COPY deploy.sh /docker-entrypoint-initdb.d/00-deploy.sh

postgres/deploy.sh

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+#!/bin/bash
+set -e
+
+cd /usr/share/numerus/sqitch
+PGUSER="$POSTGRES_USER" PGDATABASE="$POSTGRES_DB" sqitch deploy
+psql -v ON_ERROR_STOP=1 --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" <<-EOSQL
+	CREATE ROLE "${NUMERUS_USER:-numerus}" LOGIN PASSWORD '${NUMERUS_PASSWORD:-numerus}' IN ROLE authenticator
+EOSQL
+