diff --git a/api/config.js b/api/config.js
index 31219cd..6e205f6 100644
--- a/api/config.js
+++ b/api/config.js
@@ -1,3 +1,5 @@
+// read configuration dynamically <-- `development` inside knexfile.js 
+// require('dotenv').config();
 const knex = require("knex");
 
 
diff --git a/api/server.js b/api/server.js
index aae92bb..058842b 100644
--- a/api/server.js
+++ b/api/server.js
@@ -1,18 +1,28 @@
+require('dotenv').config();
 const express = require('express');
 const cors = require('cors');
 const helmet = require('helmet'); 
 const morgan = require ("morgan");
 
+//router
+const postsRouter = require('../posts/posts-router')
+
+//server
 const authRouter = require('../auth/auth-router')
 
 const server = express();
 
+//middleware
 server.use(cors());
 server.use(express.json()); 
 server.use('/',helmet());
 server.use('/', morgan('--API testing for Expat Journal BuildWeek--'))
 server.use('/api/auth', authRouter)
 
+//routes
+server.use('/api/posts', postsRouter)
+
+
 server.get('/', (req, res) =>{
     res.status(200).json({server: 'Expat Journal BuildWeek'})
 })
diff --git a/data/expat.db3 b/data/expat.db3
index 5d5b16c..e5455d6 100644
Binary files a/data/expat.db3 and b/data/expat.db3 differ
diff --git a/knexfile.js b/knexfile.js
index d2d4345..d7c92b7 100644
--- a/knexfile.js
+++ b/knexfile.js
@@ -42,7 +42,7 @@ module.exports = {
 
     production: {
       connection: pgConnection,
-      useNullAsDefault: true,
+      // useNullAsDefault: true,
       // client: 'postgresql',
       client: "pg",
       migrations: {
diff --git a/posts/posts-model.js b/posts/posts-model.js
index 6263425..020baa0 100644
--- a/posts/posts-model.js
+++ b/posts/posts-model.js
@@ -1,33 +1,50 @@
-const db = require('../api/config')
+const db = require("../api/config");
 
 module.exports = {
-    find, 
-    findBy,
-    findById, 
-    insert, 
-    update,
-    remove
+  find,
+  findBy,
+  findById,
+  insert,
+  update,
+  remove,
+};
+//Find all posts data
+function find() {
+  return db("posts").select(
+    "id",
+    "user_id",
+    "title",
+    "description",
+    "photo_url"
+  );
 }
-function find(){
 
+//Find posts by id
+function findById(id) {
+    return db("posts")
+    .select("id", "user_id", "title", "description", "photo_url")
+    .where({ id })
+    .first();
 }
 
-function findBy(){
-
-}
-
-function findById(){
-
+//insert new post into db
+function insert(newPost) {
+    return db("posts")
+    .insert(newPost).returning(["title", "description", "photo_url"]);
 }
 
-function insert(){
 
+//Find posts by filter
+function findBy(filter) {
+  return db("posts").where(filter);
 }
 
-function update(){
-
+//update new infor of pj to db
+function update(changes, id) {
+  return db("posts").where({ id }).update(changes); //updates the record with 'changes' where the id matches
 }
 
-function remove(){
-
+//remove post from database
+function remove(id) {
+  return db("posts").where({ id }).del();
 }
diff --git a/posts/posts-router.js b/posts/posts-router.js
index 97543be..5fa9467 100644
--- a/posts/posts-router.js
+++ b/posts/posts-router.js
@@ -4,30 +4,98 @@ const model = require('./posts-model')
 
 //GET all posts 
 router.get('/', (req,res) =>{
-
+    model.find()
+    .then(posts=>{
+        res.status(200).json({notification:'Information of posts are successfully retrieved', postsdata: posts})
+    })
+    .catch(err=>{
+        res.status(500).json({notification:'Failed to retrieve information of posts', error: err.message})
+    })
 })
 
 //GET posts by id
 router.get('/:id', (req,res) =>{
-
+    const id = req.params.id;
+    model
+      .findById(id, "posts")
+      .then((post) =>
+        res.status(200).json({
+          message: "This is information of post with specific ID",
+          post,
+        })
+      )
+      .catch((err) => res.status(500).json({ status: 'Failed to retrieve information of post BY ID', errorMess: err.message }));
 })
 
 //GET posts by users id
-router.get('/users/:id/posts', (req,res)=>{
-    
-})
+// router.get('/users/:id/posts', (req,res)=>{
 
-//POST a new post
-router.post('/', (req,res)=>{
+// })
 
+// //POST a new post
+router.post('/', (req,res)=>{
+    let newPost = req.body;
+  model.insert(newPost).then(newPost=>{
+      res.status(200).json({notification :"New Post is updated", newPost: newPost})
+  })
+  .catch(err=>{
+    console.log(err)
+      res.status(500).json({notification: 'Failed To Add New Post', postSent: newPost, errorMess:err.message})
+  })
 })
 
-//UPDATE a post by id
-router.put('/', (req,res)=>{
 
+//UPDATE a post by id
+router.put('/:id', (req,res)=>{
+    const { id } = req.params;
+    const changes = req.body;
+  
+    model
+      .findById(id, "posts")
+      .then((post) => {
+        if (post) {
+          model.update(changes, id).then((updated) => {
+            res
+              .status(201)
+              .json({
+                success: "Post information is updated",
+                ...changes,
+                id: post.id,
+                UpdatingInformation: updated,
+              });
+          });
+        } else {
+          res
+            .status(401)
+            .json({
+              message: `Could Not Find Object With ID: ${id}`,
+              errorMess: err.message,
+            });
+        }
+      })
+      .catch((err) => {
+        console.log(err);
+        res
+          .status(500)
+          .json({ message: "Failed To Update Project", errormessage: err });
+      });
 })
 
 //DELETE a post by id
 router.delete('/:id', (req,res)=>{
-
+    model.remove(req.params.id)
+    .then((num) => {
+      if (num === 1) {
+        res.status(200).json({ succesmessage: "This post is successfully deleted"}).end();
+      } else {
+        res.status(404).json({ message: "Failed to delete the post" }).end();
+      }
+    })
+    .catch((err) => {
+      res
+        .status(500)
+        .json({ message: "Error in delete post", error: err.message });
+    });
 })
+
+module.exports = router;
\ No newline at end of file
diff --git a/users/users-router.js b/users/users-router.js
index bd65f51..98de7bd 100644
--- a/users/users-router.js
+++ b/users/users-router.js
@@ -2,6 +2,7 @@ const router = require("express").Router();
 
 const Users = require("./users-model");
 const restricted = require("../auth/auth-middleware");
+const Posts = require("../posts/posts-model");
 
 
 router.get("/", restricted,  (req, res) => {
@@ -12,4 +13,24 @@ router.get("/", restricted,  (req, res) => {
     .catch(err => res.send(err));
 });
 
+//GET user's posts
+router.get('/:id/posts', (req, res) => {
+  Users.findById(req.params.id)
+  .then(user =>{
+      if(user){
+          Posts.findBy({user_id: user.id}).then(posts =>{
+              res.status(200).json({notification:`Information of ${user.username} post`, information: posts})
+          })
+          .catch(err =>{
+              res.status(401).json({message: `Failed To Find Posts For: ${user.username}`, errMessage: err.message})
+          })
+      } else{
+          res.status(401).json({message: `Failed To Find User With ID: ${req.params.id}`})
+      }
+  })
+  .catch(err => {
+      res.status(500).json({message: 'Failed To Get Users Posts', errMessage:err.message})
+  })
+})
+
 module.exports = router;
\ No newline at end of file