diff --git a/src/main/java/com/clonecode/inssagram/controller/PostController.java b/src/main/java/com/clonecode/inssagram/controller/PostController.java
index 2222fc2..a646531 100644
--- a/src/main/java/com/clonecode/inssagram/controller/PostController.java
+++ b/src/main/java/com/clonecode/inssagram/controller/PostController.java
@@ -10,15 +10,18 @@
 import com.clonecode.inssagram.global.error.ErrorCode;
 import com.clonecode.inssagram.jwt.TokenProvider;
 import com.clonecode.inssagram.service.PostService;
+import io.swagger.annotations.Api;
 import io.swagger.annotations.ApiOperation;
 import lombok.RequiredArgsConstructor;
 import org.springframework.http.HttpStatus;
+import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.*;
 import org.springframework.web.multipart.MultipartFile;
 
 import java.util.List;
 
+@Api(tags = {"게시물 API Controller"})
 @RestController
 @RequestMapping("/api/posts")
 @RequiredArgsConstructor
@@ -27,10 +30,10 @@ public class PostController {
     private final TokenProvider tokenProvider;
 
     @ApiOperation(value = "게시물 작성", notes = "게시물 작성 기능", response = PostCreateResponseDto.class)
-    @PostMapping()
+    @PostMapping(consumes = {MediaType.APPLICATION_JSON_VALUE, MediaType.MULTIPART_FORM_DATA_VALUE})
     public ResponseEntity<?> createPost(
-            PostRequestDto requestDto,
-            List<MultipartFile> imageFileList) {
+            @RequestPart PostRequestDto requestDto,
+            @RequestPart List<MultipartFile> imageFileList) {
 
         User user = tokenProvider.getUserFromAuthentication();
         if (imageFileList == null) {
diff --git a/src/main/java/com/clonecode/inssagram/domain/Image.java b/src/main/java/com/clonecode/inssagram/domain/Image.java
index ce0bcee..82569b6 100644
--- a/src/main/java/com/clonecode/inssagram/domain/Image.java
+++ b/src/main/java/com/clonecode/inssagram/domain/Image.java
@@ -15,7 +15,7 @@ public class Image {
     private Long id;
 
     @ManyToOne(fetch = FetchType.LAZY)
-    @JoinColumn (name = "postId")
+    @JoinColumn (name = "postId", nullable = false)
     private Post post;
 
     @NotNull
diff --git a/src/main/java/com/clonecode/inssagram/dto/response/PostAllResponseDto.java b/src/main/java/com/clonecode/inssagram/dto/response/PostAllResponseDto.java
index 6a53cd1..6118a8b 100644
--- a/src/main/java/com/clonecode/inssagram/dto/response/PostAllResponseDto.java
+++ b/src/main/java/com/clonecode/inssagram/dto/response/PostAllResponseDto.java
@@ -3,6 +3,7 @@
 import com.clonecode.inssagram.domain.Image;
 import com.clonecode.inssagram.domain.Post;
 import com.fasterxml.jackson.annotation.JsonFormat;
+import io.swagger.annotations.ApiModelProperty;
 import lombok.Builder;
 import lombok.Getter;
 
@@ -12,13 +13,23 @@
 
 @Getter
 public class PostAllResponseDto {
+    @ApiModelProperty(example = "게시물 DB Id")
     private Long postId;
+    @ApiModelProperty(example = "게시물 작성자 정보")
     private UserProfileResponseDto user;
+    @ApiModelProperty(example = "게시물 글 내용")
     private String postContents;
+    @ApiModelProperty(example = "게시물 사진 URL")
     private List<String> imageUrlList;
+    @ApiModelProperty(example = "게시물 하트 수")
     private Long heartNum;
+    @ApiModelProperty(example = "게시물 댓글 수")
     private Long commentNum;
+    @ApiModelProperty(example = "로그인한 사용자의 게시물 하트 여부")
     private Long isHeart;
+    @ApiModelProperty(example = "게시물 댓글 목록")
+    private List<CommentResponseDto> commentList;
+    @ApiModelProperty(example = "게시물 생성일자")
     @JsonFormat(pattern = "yyyy-MM-dd HH:mm")
     private LocalDateTime createdAt;
 
@@ -28,6 +39,7 @@ public PostAllResponseDto(Post post, Long heartNum, Long commentNum, Long isHear
         this.user = new UserProfileResponseDto(post.getUser());
         this.postContents = post.getPostContents();
         this.imageUrlList = post.getImageList().stream().map(Image::getImageUrl).collect(Collectors.toList());
+        this.commentList = post.getCommentList().stream().map(CommentResponseDto::new).limit(2).collect(Collectors.toList());
         this.createdAt = post.getCreatedAt();
         this.heartNum = heartNum;
         this.commentNum = commentNum;
diff --git a/src/main/java/com/clonecode/inssagram/dto/response/PostCreateResponseDto.java b/src/main/java/com/clonecode/inssagram/dto/response/PostCreateResponseDto.java
index 72e5d56..8aebc5c 100644
--- a/src/main/java/com/clonecode/inssagram/dto/response/PostCreateResponseDto.java
+++ b/src/main/java/com/clonecode/inssagram/dto/response/PostCreateResponseDto.java
@@ -10,13 +10,13 @@
 
 @Getter
 public class PostCreateResponseDto {
-    @ApiModelProperty(example = "게시물 Id")
+    @ApiModelProperty(example = "게시물 DB Id")
     @NotBlank
     private Long postId;
-    @ApiModelProperty(example = "사진 url")
+    @ApiModelProperty(example = "게시물 사진 URL")
     @NotBlank
     private String imageUrl;
-    @ApiModelProperty(example = "게시물 좋아요 수")
+    @ApiModelProperty(example = "게시물 하트 수")
     @NotBlank
     private Long heartNum;
     @ApiModelProperty(example = "게시물 댓글 수")
diff --git a/src/main/java/com/clonecode/inssagram/dto/response/PostDetailResponseDto.java b/src/main/java/com/clonecode/inssagram/dto/response/PostDetailResponseDto.java
index 3d99919..3735343 100644
--- a/src/main/java/com/clonecode/inssagram/dto/response/PostDetailResponseDto.java
+++ b/src/main/java/com/clonecode/inssagram/dto/response/PostDetailResponseDto.java
@@ -3,6 +3,7 @@
 import com.clonecode.inssagram.domain.Image;
 import com.clonecode.inssagram.domain.Post;
 import com.fasterxml.jackson.annotation.JsonFormat;
+import io.swagger.annotations.ApiModelProperty;
 import lombok.Builder;
 import lombok.Getter;
 
@@ -12,16 +13,24 @@
 
 @Getter
 public class PostDetailResponseDto {
+    @ApiModelProperty(example = "게시물 DB Id")
     private Long postId;
+    @ApiModelProperty(example = "게시물 작성자 정보")
     private UserProfileResponseDto user;
+    @ApiModelProperty(example = "게시물 글 내용")
     private String postContents;
+    @ApiModelProperty(example = "게시물 사진 URL")
     private List<String> imageUrlList;
+    @ApiModelProperty(example = "게시물 하트 수")
     private Long heartNum;
+    @ApiModelProperty(example = "게시물 댓글 수")
     private Long commentNum;
+    @ApiModelProperty(example = "로그인한 사용자의 게시물 하트 여부")
     private Long isHeart;
+    @ApiModelProperty(example = "게시물 생성일자")
     @JsonFormat(pattern = "yyyy-MM-dd HH:mm")
     private LocalDateTime createdAt;
-
+    @ApiModelProperty(example = "게시물 댓글 목록")
     private List<CommentResponseDto> commentList;
 
     @Builder
diff --git a/src/main/java/com/clonecode/inssagram/dto/response/PostUpdateResponseDto.java b/src/main/java/com/clonecode/inssagram/dto/response/PostUpdateResponseDto.java
index e25d7a8..64e7f21 100644
--- a/src/main/java/com/clonecode/inssagram/dto/response/PostUpdateResponseDto.java
+++ b/src/main/java/com/clonecode/inssagram/dto/response/PostUpdateResponseDto.java
@@ -1,10 +1,12 @@
 package com.clonecode.inssagram.dto.response;
 
 import com.clonecode.inssagram.domain.Post;
+import io.swagger.annotations.ApiModelProperty;
 import lombok.Getter;
 
 @Getter
 public class PostUpdateResponseDto {
+    @ApiModelProperty(example = "게시물 글 내용")
     private String postContents;
 
     public PostUpdateResponseDto(Post post){
diff --git a/src/main/java/com/clonecode/inssagram/dto/response/UserProfileResponseDto.java b/src/main/java/com/clonecode/inssagram/dto/response/UserProfileResponseDto.java
index 95b8050..49123d5 100644
--- a/src/main/java/com/clonecode/inssagram/dto/response/UserProfileResponseDto.java
+++ b/src/main/java/com/clonecode/inssagram/dto/response/UserProfileResponseDto.java
@@ -1,12 +1,16 @@
 package com.clonecode.inssagram.dto.response;
 
 import com.clonecode.inssagram.domain.User;
+import io.swagger.annotations.ApiModelProperty;
 import lombok.Getter;
 
 @Getter
 public class UserProfileResponseDto {
+     @ApiModelProperty(example = "사용자 DB Id")
      private Long userId;
+     @ApiModelProperty(example = "사용자 이름(별명)")
      private String username;
+     @ApiModelProperty(example = "사용자 프로필 사진 URL")
      private String profileImageUrl;