A example Microservices in Go language

Supported features

• Create user

• Modify user

• Delete user

• List user and all users

• Authentication based on JWT tokens

• Authorization based on JWT claims and Casbin declartive authorization

• SSL enabled endpoint

• Uses Gin gonic web framework https://github.com/gin-gonic/gin

• Uses config file to load server variables

• User password encrypted in the database tables using bcrypt

For ssl

keytool -export -keystore keystore.p12 -alias interns2019 -file interns2019.cer openssl x509 -inform der -in interns2019.cer -out interns2019.pem

postgresql

systemctl status postgresql - check status of postgres systemctl status postgresql - start postgres

$ sudo -u postgres psql

`User table

Column | Type | Collation | Nullable | Default
------------+--------------------------+-----------+----------+----------------------------------- id | integer | | not null | nextval('users_id_seq'::regclass) uid | uuid | | | username | text | | | password | text | | | message | text | | | created_at | timestamp with time zone | | | updated_at | timestamp with time zone | | |

Indexes: "users_pkey" PRIMARY KEY, btree (id)

select * from users

id | uid | username | password | message | created_at | updated_at

INSERT INTO users (username, password) VALUES ('admin', '12345'), ('user1', '12345');

delete from users where id = 2`

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