start-local-postgresql.sh

#!/usr/bin/env bash

development_database=app_name_development
test_database=app_name_test

function startLocalPostgresInstanceWithDocker() {
    name=$1
    port=$2
    docker run --name ${name} -e POSTGRES_DB=${name} -d -p ${port}:5432 postgres
}

function instanceIsAlreadyRunning() {
    name=$1

    docker ps | grep ${name}
}

function dockerContainerHasAlreadyBeenMade() {
    name=$1

    docker ps -a | grep ${name}
}


if ! instanceIsAlreadyRunning ; then
    if dockerContainerHasAlreadyBeenMade ${development_database} ; then
        docker start ${development_database}
    else
        startLocalPostgresInstanceWithDocker ${development_database} 8081
    fi

    if dockerContainerHasAlreadyBeenMade ${test_database} ; then
        docker start ${test_database}
    else
        startLocalPostgresInstanceWithDocker ${test_database} 8082
    fi
fi