SecurityConfig.java

    @Override
    protected void configure(HttpSecurity http) throws Exception {
        http
            .authorizeRequests()
				.antMatchers("/", "/favicon.ico", "/resources/**", "/signup",
						"/register", "/public")
				.permitAll()
                .anyRequest().authenticated()
                .and()
            .formLogin()
                .loginPage("/signin")
                .permitAll()
                .failureUrl("/signin?error=1")
                .loginProcessingUrl("/authenticate")
                .and()
            .logout()
                .logoutUrl("/logout")
                .permitAll()
                .logoutSuccessUrl("/signin?logout")
                .and()
            .rememberMe()
                .rememberMeServices(rememberMeServices())
                .key("remember-me-key");
    }