Update README.md

README.md

@@ -1,6 +1,11 @@
 # BioProAPIServer
 
-### Setup pi3 postgresql
+### Setup postgresql
+
+##### Installation
+```
+sudo apt-get install postgresql libpq-dev postgresql-client postgresql-client-common
+```
 
 ##### Switch to the Postgres user to configure the database
 ```
@@ -14,11 +19,18 @@ createuser biopro -P --interactive
 
 ##### Postgres command (type psql first to connect postgres)
 ```
+#Enter postgresql
+psql
+
 #Find databases
 \l
 
 #Find tables
 \dt
+
+# Create new database and table if you need
+create database test
+test=> create table people (name text, company text)
 ```
 
 ### Run apiServer on device
@@ -39,11 +51,11 @@ change the code following as:
     change apiserver port to postgres port, 54321 --> 5432 (default)
 */
 export const pgDB = {
-  host: '127.0.0.1', // 服务器地址
+  host: '127.0.0.1',
-  port: 54321, // 数据库端口号 -----------------> 5432
+  port: 54321, // -----------------> 5432
-  username: 'biopro', // 数据库用户名
+  username: 'biopro',
-  password: 'BioProControlBox', // 数据库密码
+  password: 'BioProControlBox',
-  database: 'postgres' // 数据库名称
+  database: 'postgres'
 }
 ```
 
@@ -67,7 +79,7 @@ nohup node /home/pi/bioproapiserver/dist/app.js > /home/pi/.api_server.out &
 
 ##### Localhost test port binding (your device:54321 -> raspberrypi:5432)
 ```
-ssh -NL 54321:localhost:5432 pi@your-pi3-ip
+ssh -NL 54321:localhost:5432 pi@your-pi-ip
 ```
 
 ##### Run apiServer on your localhost (remember binding port first)