Add the web configuration and a simple rest controller.

src/main/java/space/kklochko/spring_rest_example/config/SpringWebInitializer.java

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+package space.kklochko.spring_rest_example.config;
+
+import org.springframework.web.servlet.support.AbstractAnnotationConfigDispatcherServletInitializer;
+
+public class SpringWebInitializer extends AbstractAnnotationConfigDispatcherServletInitializer {
+    @Override
+    protected Class[] getServletConfigClasses() {
+        return new Class[] { WebConfig.class };
+    }
+
+    @Override
+    protected String[] getServletMappings() {
+        return new String[] { "/" };
+    }
+
+    @Override
+    protected Class[] getRootConfigClasses() {
+        return new Class[] {};
+    }
+}

src/main/java/space/kklochko/spring_rest_example/config/WebConfig.java

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+package space.kklochko.spring_rest_example.config;
+
+import java.sql.Timestamp;
+import java.util.List;
+import java.util.UUID;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.http.converter.HttpMessageConverter;
+import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
+import org.springframework.web.servlet.config.annotation.EnableWebMvc;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
+import space.kklochko.spring_rest_example.models.Indicator;
+
+@EnableWebMvc
+@Configuration
+@ComponentScan("space.kklochko")
+public class WebConfig implements WebMvcConfigurer {
+    @Override
+    public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
+        converters.add(new MappingJackson2HttpMessageConverter());
+    }
+
+    @Bean("indicator")
+    public Indicator getIndicator() {
+        UUID id = UUID.fromString("becbafac-702c-11ee-9113-c0e4349366ab");
+        Timestamp timestamp = Timestamp.valueOf("2023-10-18 14:30:00");
+        Indicator indicator = new Indicator(id, "Blood2", "Fine2", timestamp);
+        return indicator;
+    }
+}

src/main/java/space/kklochko/spring_rest_example/controllers/IndicatorController.java

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+package space.kklochko.spring_rest_example.controllers;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.*;
+import space.kklochko.spring_rest_example.models.Indicator;
+
+import java.sql.Timestamp;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.UUID;
+
+@RestController
+@RequestMapping("/api/v1/indicators")
+public class IndicatorController {
+    @Autowired
+    Indicator indicator;
+    @GetMapping("/{indicatorId}")
+    @ResponseBody
+    public Indicator getIndicator(@PathVariable UUID indicatorId) {
+        return indicator;
+    }
+
+    @GetMapping
+    @ResponseBody
+    public List<Indicator> getIndicators() {
+        UUID id = UUID.fromString("becbafac-702c-11ee-9113-c0e4349366ab");
+        Timestamp timestamp = Timestamp.valueOf("2023-10-18 14:30:00");
+        Indicator indicator = new Indicator(id, "Blood2", "Fine2", timestamp);
+
+        List<Indicator> indicators = new ArrayList<>();
+        indicators.add(indicator);
+        return indicators;
+    }
+}

src/main/resources/application.properties

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+