chore: Add scripts for setting up development environment

devzone/devzone.sh

@@ -0,0 +1,82 @@
+#!/usr/bin/env bash
+
+# Actually this isn't needed as we extract script path later and use it
+# for everything, but anyway!
+if [ "$0" != "./devzone.sh" ]; then
+    echo "This script should be launched as './devzone.sh'!"
+    exit 1
+fi
+
+# Check for OS first. On macOS greadlink should be used instead of
+# readlink.
+READLINK="/bin/readlink"
+OS=$(uname -s)
+if [ "${OS}" == "Darwin" ]; then
+    READLINK="/usr/local/bin/greadlink"
+    if [ ! -f "${READLINK}" ]; then
+        echo "GNU readlink is required for macOS. Please, install coreutils with brew."
+        exit 1
+    fi
+fi
+
+SCRIPT_PATH=$(dirname "`${READLINK} -f "${BASH_SOURCE}"`")
+echo "devzone script path: ${SCRIPT_PATH}"
+
+# This values might or might not be filled by OS.
+# And it MUST NOT be filled on macOS. Docker is so convenient...
+if [ "${OS}" != "Darwin" ]; then
+    USER_ID=$(id -u)
+    GROUP_ID=$(id -g)
+else
+    echo "macOS users have no need in setting user and group ID"
+fi
+
+clear_postgresql() {
+    echo "Clearing PostgreSQL..."
+    for dir in `ls ${SCRIPT_PATH}/postgresql/data`; do
+        echo -e "\t${SCRIPT_PATH}/postgresql/data/${dir}"
+        rm -rf ${SCRIPT_PATH}/postgresql/data/${dir}/*
+    done
+}
+
+down() {
+    echo "Cleaning up development environment..."
+    docker-compose down --remove-orphans
+    clear_postgresql
+}
+
+run() {
+    echo "Getting development environment up and running with docker-compose..."
+    # ToDo: checks?
+    USER_ID=$USER_ID GROUP_ID=$GROUP_ID docker-compose up
+    if [ $? -ne 0 ]; then
+        echo "Something went wrong. Read previous messages carefully!"
+        exit 1
+    fi
+    echo "Development zone shutted down."
+}
+
+
+help() {
+    echo "Developers helper script."
+    echo ""
+    echo "Available subcommands:"
+    echo -e "\tclear_postgresql\t\tClears PostgreSQL persistent data directories from data."
+    echo -e "\tdown\t\t\t\tClear development environment from data."
+    echo -e "\trun\t\t\t\tStart development zone required servers (databases, etc.)."
+}
+
+case $1 in
+    clear_postgresql)
+        clear_postgresql
+    ;;
+    down)
+        down
+    ;;
+    run)
+        run
+    ;;
+    *)
+        help
+    ;;
+esac

devzone/docker-compose.yaml

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+version: "2.4"
+
+services:
+  postgresql:
+    image: "postgres:11.5"
+    ports:
+      - "15432:5432"
+    volumes:
+      - "./postgresql/data:/var/lib/postgresql/data"
+    environment:
+      POSTGRES_USER: cadmium
+      POSTGRES_PASSWORD: cadmium
+      POSTGRES_DB: cadmium
+    user: ${USER_ID}