updated, fully functional

src/main/java/com/zipcodewilmington/bakery/Controllers/BakerController.java

 import com.zipcodewilmington.bakery.Models.Baker;
 import com.zipcodewilmington.bakery.Repositories.BakerRepository;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpHeaders;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.stereotype.Controller;
 import org.springframework.stereotype.Service;
 import org.springframework.web.bind.annotation.*;
+import org.springframework.web.servlet.support.ServletUriComponentsBuilder;
+
+import java.net.URI;
 
 @RestController
 public class BakerController {
         return new ResponseEntity<>(this.bakerRepository.findAll(), HttpStatus.OK);
     }
 
-    @RequestMapping(value = "/bakers/id", method = RequestMethod.GET)
+    @RequestMapping(value = "/bakers/{id}", method = RequestMethod.GET)
     public ResponseEntity<Baker> show(@PathVariable Long id) {
         return new ResponseEntity<>(this.bakerRepository.findById(id).get(), HttpStatus.OK);
     }
 
     @RequestMapping(value="/bakers", method= RequestMethod.POST)
-    public ResponseEntity<Baker> create(@PathVariable Baker baker) {
-        return new ResponseEntity<>(this.bakerRepository.save(baker), HttpStatus.CREATED);
+    public ResponseEntity<Baker> create(@RequestBody Baker baker) {
+
+        return new ResponseEntity<>(bakerRepository.save(baker),HttpStatus.CREATED);
     }
 
-    @RequestMapping(value="/bakers/id", method= RequestMethod.PUT)
-    public ResponseEntity<Baker> update(Long id, @PathVariable Baker baker) {
+    @RequestMapping(value="/bakers/{id}", method= RequestMethod.PUT)
+    public ResponseEntity<Baker> update(@PathVariable Long id,  @RequestBody Baker baker) {
         Baker foundBaker = bakerRepository.findById(id).get();
 
         foundBaker.setName(baker.getName());
         return new ResponseEntity<>(this.bakerRepository.save(foundBaker), HttpStatus.OK);
     }
 
-    @RequestMapping(value="/bakers/id", method= RequestMethod.DELETE)
-    public ResponseEntity<Boolean> destroy(Long id) {
+    @RequestMapping(value="/bakers/{id}", method= RequestMethod.DELETE)
+    public ResponseEntity<Boolean> destroy(@PathVariable Long id) {
         this.bakerRepository.delete(bakerRepository.findById(id).get());
         return new ResponseEntity<>(true, HttpStatus.OK);
     }

src/main/java/com/zipcodewilmington/bakery/Controllers/MuffinController.java

         return new ResponseEntity<>(this.muffinRepository.findAll(), HttpStatus.OK);
     }
 
-    @RequestMapping(value = "/muffins/id", method=RequestMethod.GET)
+    @RequestMapping(value = "/muffins/{id}", method=RequestMethod.GET)
     public ResponseEntity<Muffin> show(@PathVariable Long id) {
         return new ResponseEntity<>(this.muffinRepository.findById(id).get(), HttpStatus.OK);
     }
         return new ResponseEntity<>(this.muffinRepository.save(muffin), HttpStatus.CREATED);
     }
 
-    @RequestMapping(value = "/muffins/id", method=RequestMethod.PUT)
+    @RequestMapping(value = "/muffins/{id}", method=RequestMethod.PUT)
     public ResponseEntity<Muffin> update(@PathVariable Long id, @RequestBody Muffin muffin) {
         Muffin foundMuffin = muffinRepository.findById(id).get();
         foundMuffin.setFlavor(muffin.getFlavor());
         return new ResponseEntity<>(this.muffinRepository.save(foundMuffin), HttpStatus.OK);
     }
 
-    @RequestMapping(value = "/muffins/id", method = RequestMethod.DELETE)
+    @RequestMapping(value = "/muffins/{id}", method = RequestMethod.DELETE)
     public ResponseEntity<Boolean> destroy(@PathVariable Long id) {
         this.muffinRepository.delete(muffinRepository.findById(id).get());
         return new ResponseEntity<>(true, HttpStatus.OK);