deploy.sh

#!/usr/bin/bash

# Scripts adapted from https://www.youtube.com/watch?v=jFrGhodqC08 by Tom Delande
# Licensed under https://creativecommons.org/licenses/by/4.0/


BUILD_VERSION=$(git rev-parse HEAD)
echo "#(date --utc +%FT%TZ): Releasing new server version. $BUILD_VERSION"

COMPOSE_FILE="/home/matthew/democrasite/docker-compose.production.yml"
echo "$(date --utc +%FT%TZ): Running build..."
docker compose -f $COMPOSE_FILE rm -f
docker compose -f $COMPOSE_FILE build

OLD_CONTAINER=$(docker ps -aqf "name=django")
echo "$(date --utc +%FT%TZ): Scaling server up..."
BUILD_VERSION=$BUILD_VERSION docker compose -f $COMPOSE_FILE up -d --no-deps --scale django=2 --no-recreate django

sleep 60

echo "$(date --utc +%FT%TZ): Scaling old server down..."
docker container rm -f $OLD_CONTAINER
docker compose -f $COMPOSE_FILE up -d --no-deps --scale django=1 --no-recreate django