Standardize username and password.

README.md

@@ -11,3 +11,6 @@ Clone the repo or copy a `docker-compose.yml` file to your system, `cd` into tha
 
 ## Local Persistence
 In each setup, your data is configured to be stored locally in a `./data` directory. If that directory doesn't exist, it'll be created automatically.
+
+## Authentication
+For authenticating as super user with each of these examples, `root` should be the username and `password` should be the password.

mongo/README.md

@@ -12,7 +12,7 @@ While in the shell, run the following:
 
 ```
 use admin;
-db.auth("user", "password");
+db.auth("root", "password");
 use myDatabase;
-db.createUser({user: "user", pwd: "password", roles:[{role: "readWrite" , db:"myDatabase"}]});
+db.createUser({user: "root", pwd: "password", roles:[{role: "readWrite" , db:"myDatabase"}]});
 ```

mongo/docker-compose.yml

@@ -8,5 +8,5 @@ services:
     ports:
       - 27017:27017
     environment:
-      MONGO_INITDB_ROOT_USERNAME: user
+      MONGO_INITDB_ROOT_USERNAME: root
       MONGO_INITDB_ROOT_PASSWORD: password

mysql/README.md

@@ -6,7 +6,7 @@
 
 `docker-compose exec --user root db mysql -u root -p`
 
-When prompted, enter `root` as the password. 
+When prompted, enter `password` as the password. 
 
 # Create a DB
 

mysql/docker-compose.yml

@@ -10,4 +10,4 @@ services:
     ports:
       - 3306:3306
     environment:
-      MYSQL_ROOT_PASSWORD: root
+      MYSQL_ROOT_PASSWORD: password

postgres/README.md

@@ -4,7 +4,7 @@
 
 # Enter the Postgres Shell
 
-`docker-compose exec --user root db psql -h localhost -U postgres`
+`docker-compose exec --user root db psql -h localhost -U root`
 
 # Create a DB
 

postgres/docker-compose.yml

@@ -7,3 +7,7 @@ services:
       - ./data:/var/lib/postgresql/data 
     ports:
       - 5432:5432
+    environment: 
+      POSTGRES_USER: "root"
+      POSTGRES_PASSWORD: "password"
+