docker: add docker-compose configuration

dockercompose

docker-compose.yml

+version: "3.6"
+x-common-env: &common-env
+  TRAVELYNX_DB_HOST: database
+  TRAVELYNX_DB_NAME: travelynx
+  TRAVELYNX_DB_USERNAME: travelynx
+  TRAVELYNX_DB_PASSWORD: travelynx
+services:
+  database:
+    image: postgres:11
+    networks:
+      - backend
+    environment: 
+      <<: *common-env
+    volumes:
+      - ./examples/docker/postgres-init.sh:/docker-entrypoint-initdb.d/init.sh
+  travelynx:
+    build: .
+    ports:
+      - "8000:8093"
+    networks:
+      - backend
+    volumes:
+      - ./examples/docker/travelynx.conf:/app/travelynx.conf
+    environment:
+      <<: *common-env
+      TRAVELYNX_MAIL_DISABLE: 1
+      TRAVELYNX_SECRET: 12345678
+networks:
+  backend:

docker-run.sh

-#!/bin/sh
+#!/bin/bash
 set -eu
 
+WAIT_DB_HOST=${TRAVELYNX_DB_HOST}
+WAIT_DB_PORT=5432
+
+wait_for_db() {
+	set +e
+	for i in $(seq 1 ${WAIT_DB_TIMEOUT:-5})
+	do
+		(echo >/dev/tcp/${WAIT_DB_HOST}/${WAIT_DB_PORT}) &>/dev/null
+		if [ $? -eq 0 ]; then
+		    break
+		fi
+		sleep 1
+	done
+	set -e
+}
+
 if [ ! -f travelynx.conf ]
 then
 	echo "The configuration file is missing"
@@ -17,6 +33,8 @@ then
 	export EMAIL_SENDER_TRANSPORT_PORT=${TRAVELYNX_MAIL_PORT:-25}
 fi
 
+wait_for_db
+
 perl index.pl database migrate
 
 exec /usr/local/bin/hypnotoad -f index.pl

examples/docker/postgres-init.sh

+#!/bin/sh
+set -e
+
+psql -v ON_ERROR_STOP=1 --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" <<-EOSQL
+    CREATE USER ${TRAVELYNX_DB_USERNAME} PASSWORD '${TRAVELYNX_DB_PASSWORD}';
+    CREATE DATABASE ${TRAVELYNX_DB_NAME};
+    GRANT ALL PRIVILEGES ON DATABASE ${TRAVELYNX_DB_NAME} TO ${TRAVELYNX_DB_USERNAME};
+EOSQL
\ No newline at end of file

examples/docker/travelynx.conf

+{
+	cache => {
+		schedule => $ENV{TRAVELYNX_IRIS_CACHE} // '/var/cache/travelynx/iris',
+		realtime => $ENV{TRAVELYNX_IRISRT_CACHE} // '/var/cache/travelynx/iris-rt',
+	},
+	db => {
+		host => $ENV{TRAVELYNX_DB_HOST} // 'die("Please set TRAVELYNX_DB_HOST")',
+		database => $ENV{TRAVELYNX_DB_NAME} // 'travelynx',
+		user => $ENV{TRAVELYNX_DB_USERNAME} // 'travelynx',
+		password => $ENV{TRAVELYNX_DB_PASSWORD} // die("Please set TRAVELYNX_DB_PASSWORD"),
+	},
+	hypnotoad => {
+		accepts  => $ENV{TRAVELYNX_HYPNOTOAD_ACCEPTS} // 100,
+		clients  => $ENV{TRAVELYNX_HYPNOTOAD_CLIENTS} // 10,
+		listen   => [ $ENV{TRALELYNX_HYPNOTOAD_LISTEN} // 'http://*:8093' ],
+		pid_file => '/tmp/travelynx.pid',
+		workers  => $ENV{TRAVELYNX_HYPNOTOAD_WORKERS} // 2,
+		spare    => $ENV{TRAVELYNX_HYPNOTOAD_SPARE} // 2,
+	},
+	mail => {
+		disabled => $ENV{TRAVELYNX_MAIL_DISABLE} // 0,
+	},
+	secrets => [
+		$ENV{TRAVELYNX_SECRET} // die("Please set TRAVELYNX_SECRET"),
+	],
+};