add post,add redis in docker compose,add torrentutil test remove dockerfile, modify torrentutil

Change-Id: I8014d4994d0a09c2f28cfcf0f8d2a430372aaab5
diff --git a/src/main/java/com/example/g8backend/entity/Post.java b/src/main/java/com/example/g8backend/entity/Post.java
new file mode 100644
index 0000000..ac7ff20
--- /dev/null
+++ b/src/main/java/com/example/g8backend/entity/Post.java
@@ -0,0 +1,33 @@
+package com.example.g8backend.entity;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+
+import java.sql.Timestamp;
+import lombok.Data;
+
+@Data
+@TableName("posts")
+public class Post {
+    @TableId(type = IdType.AUTO)
+    private Long postId;
+
+    private Long userId;
+    private String postTitle;
+    private String postContent;
+    private Timestamp createdAt;
+    private String postType;
+
+    @Override
+    public String toString() {
+        return "Post{" +
+                "postId=" + postId +
+                ", userId=" + userId +
+                ", postTitle='" + postTitle + '\'' +
+                ", postContent='" + postContent + '\'' +
+                ", createdAt=" + createdAt +
+                ", postType='" + postType + '\'' +
+                '}';
+    }
+}