restructured repo + created README.md

db/mariadb/.env

@@ -0,0 +1,3 @@
+MARIADB_ROOT_PASSWORD=supersecurepassword
+ADMINER_PORT=9443
+DB_PATH=./db

db/mariadb/docker-compose.yml

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+services:
+  maria_db:
+    image: mariadb
+    restart: unless-stopped
+    environment:
+      MARIADB_ROOT_PASSWORD: ${MARIADB_ROOT_PASSWORD}
+    volumes:
+      - ${DB_PATH}:/var/lib/mysql:Z
+  adminer:
+    image: adminer
+    restart: unless-stopped
+    ports:
+      - ${ADMINER_PORT}:8080

db/mysql/.env

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+DB_ROOT_PW=supersecurepassword
+DB_USER=db_user
+DB_PW=securepassword
+DB_NAME=db_name
+DB_PATH=./db

db/mysql/docker-compose.yml

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+services:
+  mysql_db:
+    image: mysql:latest
+    restart: unless-stopped
+    environment:
+      - MYSQL_ROOT_PASSWORD=${DB_ROOT_PW}
+      - MYSQL_USER=${DB_USER}
+      - MYSQL_PASSWORD=${DB_PW}
+      - MYSQL_DATABASE=${DB_NAME}
+    volumes:
+      - ${DB_PATH}:/var/lib/mysql