modified: README.md

Author: mishamx

README.md

@@ -1,6 +1,40 @@
 # MySQL 5.7
 
-## Master Slave 
+Master-Slave
+ 
+## Start master
+
+```bash
+docker run -d -p 3306:3306 \
+  --name mysql_master \
+  -e MYSQL_DATABASE=web \
+  -e MYSQL_USER=web \
+  -e MYSQL_PASSWORD=web \
+  -e MYSQL_ROOT_PASSWORD=root_password \
+  -e MYSQL_REPLICATION_USER=user_for_slave \
+  -e MYSQL_REPLICATION_PASSWORD=user_password_for_slave \
+  mishamx/mysql:5.7
+```
+
+## Start slave
+
+```bash
+docker run -d -p 3307:3306  \
+  --name mysql_slave \
+  -e MYSQL_MASTER_HOST=master \
+  -e MYSQL_ROOT_PASSWORD=root_password \
+  -e MYSQL_REPLICATION_USER=user_for_slave \
+  -e MYSQL_REPLICATION_PASSWORD=user_password_for_slave \
+  --link mysql_master:master \
+  mishamx/mysql:5.7
+```
+
+ 
+### Check 
+
+```docker exec -i mysql_master mysql -u web -pweb -D web -e "CREATE TABLE names(id INT AUTO_INCREMENT KEY, name VARCHAR(10));INSERT INTO names (name) VALUES ('test1'), ('test2');"```
+ 
+## Docker Compose
 
 ```yaml
 
@@ -15,7 +49,7 @@ services:
             MYSQL_DATABASE: web
             MYSQL_USER: web
             MYSQL_PASSWORD: web
-            MYSQL_ROOT_PASSWORD: testpass
+            MYSQL_ROOT_PASSWORD: root_password
             MYSQL_REPLICATION_USER: user_for_slave
             MYSQL_REPLICATION_PASSWORD: user_password_for_slave
         networks:
@@ -26,7 +60,7 @@ services:
         ports:
             - "3307:3306"
         environment:
-            MYSQL_ROOT_PASSWORD: testpass
+            MYSQL_ROOT_PASSWORD: root_password
             MYSQL_MASTER_HOST: db
             MYSQL_MASTER_PORT: 3306
             MYSQL_REPLICATION_USER: user_for_slave