Add postgres database container to test PDO driver

.docker/php/Dockerfile

@@ -3,16 +3,23 @@
 # ----------------------
 FROM php:7.4-fpm-alpine AS dev
 
-RUN apk add \
+RUN apk add --no-cache --virtual .build-deps \
+    $PHPIZE_DEPS \
     freetype-dev \
-    libpng-dev
+    libpng-dev \
+    postgresql-dev
+
+# Cleanup apk cache and temp files
+RUN rm -rf /var/cache/apk/* /tmp/*
 
 # Configure php extensions
 RUN docker-php-ext-configure gd --with-freetype
 
 # Install php extensions
 RUN docker-php-ext-install \
-    gd
+    gd \
+    pdo \
+    pdo_pgsql
 
 # Cleanup apk cache and temp files
 RUN rm -rf /var/cache/apk/* /tmp/*

.gitignore

@@ -1,3 +1,4 @@
+/.docker-volume-postgres/
+/.idea/
 /vendor/
 .env
-.idea/

docker-compose.yaml

@@ -7,6 +7,8 @@ services:
       context: ./
       dockerfile: ./.docker/php/Dockerfile
     restart: unless-stopped
+    depends_on:
+      - postgres
     working_dir: /app
     volumes:
       - ./:/app
@@ -30,6 +32,25 @@ services:
     networks:
       - ghpvc
 
+  postgres:
+    container_name: ${PROJECT_NAME}-postgres
+    image: postgres:13.4-alpine
+    restart: unless-stopped
+    ports:
+      - "${DB_PORT:-5432}:${DB_PORT:-5432}"
+    environment:
+      - POSTGRES_USER=${DB_USER}
+      - POSTGRES_PASSWORD=${DB_PASSWORD}
+      - POSTGRES_DB=${DB_NAME}
+    volumes:
+      - ./.docker-volume-postgres:/var/lib/postgresql/data
+    networks:
+      - ghpvc
+
+volumes:
+  .docker-volume-postgres:
+    driver: local
+
 networks:
   ghpvc:
     driver: bridge