types & cleanups for DB initialization

docker:
dockerfile for php7.3 with pgsql
compose file for db, adminer & php
mocked user table

docker-compose.yml

@@ -8,8 +8,9 @@ services:
     image: postgres:11-alpine
     environment:
       POSTGRES_PASSWORD: example
+      POSTGRES_DB: foo
     volumes:
-      - ./mocked-tb-table-users.sql:/docker-entrypoint-initdb.d/users.sql
+      - ./mocked-db-table-users.sql:/docker-entrypoint-initdb.d/mocked-db-table-users.sql:ro
     ports:
       - 5432:5432/tcp
 
@@ -17,11 +18,14 @@ services:
     image: adminer
     ports:
       - 8081:8080/tcp
+
   app:
-    image: php7.3:local
+    build:
+      dockerfile: php73.Dockerfile
+      context: ./
     ports:
       - 80:80/tcp
     volumes:
       - ./:/var/www/html:ro
       - ./etc/register.ini:/etc/matrix-register/register.ini:ro
-      #docker run --rm -it --name php7.3 -p 80:80/tcp -v "$PWD":/var/www/html:ro -v "$PWD"/etc/register.ini:/etc/matrix-register/register.ini:ro php7.3:local
+      #docker run --rm -it --name php7.3 -p 80:80/tcp -v "$PWD":/var/www/html:ro -v "$PWD"/etc/register.ini:/etc/matrix-register/register.ini:ro php7.3:local

mocked-db-table-users.sql

@@ -1,7 +1,5 @@
-CREATE DATABASE foo;
-
-CREATE TABLE foo.public.users (
-     "name" character varying(30) NOT NULL,
-     "id" serial NOT NULL,
-     PRIMARY KEY ("id")
+CREATE TABLE users (
+    "name" character varying(30) NOT NULL,
+    "id" serial NOT NULL,
+    PRIMARY KEY ("id")
 );