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Create MySQL database mysql> create database spring_social
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Configure database username and password # spring-social/src/main/resources/application.yml spring: datasource: url: jdbc:mysql://localhost:3306/spring_social?useSSL=false username: <YOUR_DB_USERNAME> password: <YOUR_DB_PASSWORD> 
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Specify OAuth2 Provider ClientId's and ClientSecrets This is optional if you're testing the app in localhost. A demo clientId and clientSecret is already specified. security: oauth2: client: registration: google: clientId: <GOOGLE_CLIENT_ID> clientSecret: <GOOGLE_CLIENT_SECRET> redirectUriTemplate: "{baseUrl}/oauth2/callback/{registrationId}" scope: - email - profile facebook: clientId: <FACEBOOK_CLIENT_ID> clientSecret: <FACEBOOK_CLIENT_SECRET> redirectUriTemplate: "{baseUrl}/oauth2/callback/{registrationId}" scope: - email - public_profile github: clientId: <GITHUB_CLIENT_ID> clientSecret: <GITHUB_CLIENT_SECRET> redirectUriTemplate: "{baseUrl}/oauth2/callback/{registrationId}" scope: - user:email - read:user provider: facebook: authorizationUri: https://www.facebook.com/v3.0/dialog/oauth tokenUri: https://graph.facebook.com/v3.0/oauth/access_token userInfoUri: https://graph.facebook.com/v3.0/me?fields=id,first_name,middle_name,last_name,name,email,verified,is_verified,picture.width(250).height(250) Please make sure that http://localhost:8080/oauth2/callback/<provider>is added as an authorized redirect uri in the OAuth2 provider. For example, In your Google API console, make sure thathttp://localhost:8080/oauth2/callback/googleis added in the Authorized redirect URIsAlso, make sure that the above mentioned scopes are added in the OAuth2 provider console. For example, scope emailandprofileshould be added in your Google project's OAuth2 consent screen.
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Run spring-social mvn spring-boot:run 
cd react-social npm install && npm start