diff --git a/backend/application/api_functions.py b/backend/application/api_functions.py
index e123ad3..d89da32 100644
--- a/backend/application/api_functions.py
+++ b/backend/application/api_functions.py
@@ -29,7 +29,7 @@ def hash_password(salt, password):
 def db_login(ip, email, password):
     user = Users.query.filter(
         Users.email == email
-    ).first()
+    ).scalar()
 
     # Check User and Hash Pass
     if user and user.hash_pass == hash_password(user.salt, password):
@@ -61,7 +61,7 @@ def db_login(ip, email, password):
 def db_register(ip, email, nickname, password, is_admin=False):
     user = Users.query.filter(
         Users.email == email
-    ).first()
+    ).scalar()
     if user:
         message = f'{email} already exist.'
         db_create_log(
@@ -121,7 +121,7 @@ def db_register(ip, email, nickname, password, is_admin=False):
 def db_user_update(ip, user_id, nickname, password):
     user = Users.query.filter(
         Users.id == user_id
-    ).first()
+    ).scalar()
     if user:
         has_succeeded = False
         status_code = 2
@@ -176,7 +176,20 @@ def db_user_update(ip, user_id, nickname, password):
         return {'status': 1, 'message': message}
 
 
-def db_user_delete(ip, user_id):
+def db_user_delete(ip, user_id, is_admin=False):
+    if is_admin and Users.query.filter(Users.is_admin == True).count() <= 1 or user_id == 0:
+        message = 'Can\'t delete last admin'
+        db_create_log(
+            ip=ip,
+            action='user_delete',
+            message=message,
+            has_succeeded=False,
+            status_code=2,
+            table='users',
+            id_user=user_id
+        )
+        return {'status': 2, 'message': message}
+
     test = Users.query.filter(Users.id == user_id).delete()
     if test == 1:
         db.session.commit()
@@ -203,3 +216,225 @@ def db_user_delete(ip, user_id):
             id_user=user_id
         )
         return {'status': 1, 'message': message}
+
+
+def db_admin_update_user(ip, user_id, is_admin, password):
+    user = Users.query.filter(
+        Users.id == user_id
+    ).scalar()
+    if user:
+        has_succeeded = False
+        status_code = 2
+        if is_admin is not None and password:
+            # Salt Hash Pass with SHA256
+            salt = os.urandom(32)
+            hash_pass = hash_password(salt, password)
+            Users.query.filter(Users.id == user_id).update({'is_admin': is_admin, 'hash_pass': hash_pass, 'salt': salt})
+            db.session.commit()
+            message = 'User is_admin and password updated.'
+            has_succeeded = True
+            status_code = 0
+        elif is_admin is not None:
+            Users.query.filter(Users.id == user_id).update({'is_admin': is_admin})
+            db.session.commit()
+            message = 'User is_admin updated.'
+            has_succeeded = True
+            status_code = 0
+        elif password:
+            # Salt Hash Pass with SHA256
+            salt = os.urandom(32)
+            hash_pass = hash_password(salt, password)
+            Users.query.filter(Users.id == user_id).update({'hash_pass': hash_pass, 'salt': salt})
+            db.session.commit()
+            message = 'User password updated.'
+            has_succeeded = True
+            status_code = 0
+        else:
+            message = 'Only is_admin and/or password can be changed.'
+
+        db_create_log(
+            ip=ip,
+            action='user_update',
+            message=message,
+            has_succeeded=has_succeeded,
+            status_code=status_code,
+            table='users',
+            id_user=user_id
+        )
+        return {'status': status_code, 'message': message, 'data': user.json()}
+    else:
+        message = 'User do not exist.'
+        db_create_log(
+            ip=ip,
+            action='user_update',
+            message=message,
+            has_succeeded=False,
+            status_code=1,
+            table='users',
+            id_user=user_id
+        )
+        return {'status': 1, 'message': message}
+
+
+def db_users(ip, user_id, query, by='email,nickname', id=None, is_admin=None, order_by='email'):
+    # q= or id =
+    # if q= then by= (default: email,nickname) or email or nickname
+    # is_admin =
+    # order_by = email, nickname, id, is_admin
+
+    if query is not id:
+        if query:
+            if by == 'email':
+                if is_admin:
+                    if order_by == 'nickname':
+                        users = Users.query.filter().all()
+
+                    elif order_by == 'id':
+                        users = Users.query.filter().all()
+
+                    elif order_by == 'is_admin':
+                        users = Users.query.filter().all()
+
+                    else:
+                        users = Users.query.filter().all()
+
+                else:
+                    if order_by == 'nickname':
+                        users = Users.query.filter().all()
+
+                    elif order_by == 'id':
+                        users = Users.query.filter().all()
+
+                    elif order_by == 'is_admin':
+                        users = Users.query.filter().all()
+
+                    else:
+                        users = Users.query.filter().all()
+
+            elif by == 'nickname':
+                if is_admin:
+                    if order_by == 'nickname':
+                        users = Users.query.filter().all()
+
+                    elif order_by == 'id':
+                        users = Users.query.filter().all()
+
+                    elif order_by == 'is_admin':
+                        users = Users.query.filter().all()
+
+                    else:
+                        users = Users.query.filter().all()
+
+                else:
+                    if order_by == 'nickname':
+                        users = Users.query.filter().all()
+
+                    elif order_by == 'id':
+                        users = Users.query.filter().all()
+
+                    elif order_by == 'is_admin':
+                        users = Users.query.filter().all()
+
+                    else:
+                        users = Users.query.filter().all()
+
+            else:
+                if is_admin:
+                    if order_by == 'nickname':
+                        users = Users.query.filter().all()
+
+                    elif order_by == 'id':
+                        users = Users.query.filter().all()
+
+                    elif order_by == 'is_admin':
+                        users = Users.query.filter().all()
+
+                    else:
+                        users = Users.query.filter().all()
+
+                else:
+                    if order_by == 'nickname':
+                        users = Users.query.filter().all()
+
+                    elif order_by == 'id':
+                        users = Users.query.filter().all()
+
+                    elif order_by == 'is_admin':
+                        users = Users.query.filter().all()
+
+                    else:
+                        users = Users.query.filter().all()
+
+            message = f'query({query}), by({by}), is_admin({is_admin}) and order_by({order_by}): {len(users)} result(s)'
+            db_create_log(
+                ip=ip,
+                action='users',
+                message=message,
+                has_succeeded=True,
+                status_code=0,
+                table='users',
+                id_user=user_id
+            )
+            return {'status': 0, 'message': message, 'data': users.json()}
+        elif id:
+            if is_admin:
+                if order_by == 'nickname':
+                    users = Users.query.filter().all()
+
+                elif order_by == 'id':
+                    users = Users.query.filter().all()
+
+                elif order_by == 'is_admin':
+                    users = Users.query.filter().all()
+
+                else:
+                    users = Users.query.filter().all()
+
+            else:
+                if order_by == 'nickname':
+                    users = Users.query.filter().all()
+
+                elif order_by == 'id':
+                    users = Users.query.filter().all()
+
+                elif order_by == 'is_admin':
+                    users = Users.query.filter().all()
+
+                else:
+                    users = Users.query.filter().all()
+
+            message = f'id({id}), is_admin({is_admin}) and order_by({order_by}): {len(users)} result(s)'
+            db_create_log(
+                ip=ip,
+                action='users',
+                message=message,
+                has_succeeded=True,
+                status_code=0,
+                table='users',
+                id_user=user_id
+            )
+            return {'status': 0, 'message': message, 'data': users.json()}
+        else:
+            message = 'Need q and by field if using query and not id'
+            db_create_log(
+                ip=ip,
+                action='users',
+                message=message,
+                has_succeeded=False,
+                status_code=1,
+                table='users',
+                id_user=user_id
+            )
+            return {'status': 1, 'message': message}
+    else:
+        message = 'Query or id field'
+        db_create_log(
+            ip=ip,
+            action='users',
+            message=message,
+            has_succeeded=False,
+            status_code=1,
+            table='users',
+            id_user=user_id
+        )
+        return {'status': 1, 'message': message}
diff --git a/backend/application/routes.py b/backend/application/routes.py
index 917cd97..19464d1 100644
--- a/backend/application/routes.py
+++ b/backend/application/routes.py
@@ -1,7 +1,7 @@
 from flask import current_app as app
 from flask import request
 from .responses import send_message, send_error
-from .api_functions import db_login, db_register, db_user_update, db_create_log, db_user_delete
+from .api_functions import db_login, db_register, db_user_update, db_create_log, db_user_delete, db_admin_update_user, db_users
 from .sessionJWT import create_auth_token, check_auth_token
 
 
@@ -24,9 +24,9 @@ def login():
                 token = create_auth_token(user)
                 return send_error(404, res['message'], token)
         else:
-            return send_error(400, 'Error : Empty email and/or password fields.')
+            return send_error(400, 'Empty email and/or password fields.')
     else:
-        return send_error(400, 'Error : Need email, password fields.')
+        return send_error(400, 'Need email, password fields.')
 
 
 # Register
@@ -47,9 +47,9 @@ def register():
                 elif res['status'] == 0:
                     return send_message(res['message'], res['data'])
             else:
-                return send_error(400, 'Error : Empty email and/or password and/or nickname fields.')
+                return send_error(400, 'Empty email and/or password and/or nickname fields.')
     except KeyError as e:
-        return send_error(400, 'POST Request Error : Need '+str(e)+' field.')
+        return send_error(400, 'Need '+str(e)+'field.')
 
 
 # Logout
@@ -85,12 +85,12 @@ def user_update():
         if 'nickname' in post_json:
             post_nickname = str(post_json['nickname'])
         else:
-            fields += 'nickname'
+            fields += 'nickname '
 
         if 'password' in post_json:
             post_password = str(post_json['password'])
         else:
-            fields += ', password'
+            fields += 'password '
 
         if post_nickname is not None or post_password is not None:
             if post_nickname != '' and post_password != '':
@@ -102,9 +102,9 @@ def user_update():
                 elif res['status'] == 0:
                     return send_message(res['message'], res['data'])
             else:
-                return send_error(400, 'Error : Empty nickname and/or password fields.')
+                return send_error(400, 'Empty nickname and/or password fields.')
         else:
-            return send_error(400, 'POST Request Error : Need ' + fields + ' field.')
+            return send_error(400, 'Need ' + fields + 'field.')
     else:
         return send_error(500, token['message'])
 
@@ -135,30 +135,206 @@ def user_delete():
 
 
 # Admin : Create User
-@app.route('/api/admin/create/user/', methods=['POST'])
-def user_create():
-    return send_message('Admin.create.user not implemented', None)
+@app.route('/api/admin/create/user', methods=['POST'])
+def admin_create_user():
+    token = check_auth_token(request)
+    if token['success']:
+        ip = request.remote_addr
+        user_id = token['payload']['id']
+        is_admin = token['payload']['is_admin']
+        if is_admin:
+            post_json = request.json
+            post_email = None
+            post_nickname = None
+            post_password = None
+            post_is_admin = None
+            fields = ''
+            if 'email' in post_json:
+                post_email = str(post_json['email'])
+            else:
+                fields += 'email '
+
+            if 'nickname' in post_json:
+                post_nickname = str(post_json['nickname'])
+            else:
+                fields += 'nickname '
+
+            if 'password' in post_json:
+                post_password = str(post_json['password'])
+            else:
+                fields += 'password '
+
+            if 'is_admin' in post_json:
+                post_is_admin = bool(post_json['is_admin'])
+            else:
+                fields += 'is_admin '
+
+            if post_email is not None or post_nickname is not None or post_password is not None or post_is_admin is not None:
+                if post_email != '' and post_nickname != '' and post_password != '' and str(post_is_admin) != '':
+                    res = db_register(ip, post_email, post_nickname, post_password, is_admin=post_is_admin)
+                    if res['status'] == 1:
+                        db_create_log(
+                            ip=ip,
+                            action='admin/create/user',
+                            message=res['message'],
+                            has_succeeded=False,
+                            status_code=res['status'],
+                            table='users',
+                            id_user=user_id
+                        )
+                        return send_error(500, res['message'])
+                    elif res['status'] == 0:
+                        db_create_log(
+                            ip=ip,
+                            action='admin/create/user',
+                            message=res['message'],
+                            has_succeeded=True,
+                            status_code=res['status'],
+                            table='users',
+                            id_user=user_id
+                        )
+                        return send_message(res['message'], res['data'])
+                else:
+                    return send_error(400, 'Empty email and/or nickname and/or password and/or is_admin fields.')
+            else:
+                return send_error(400, 'Need ' + fields + 'field.')
+        else:
+            return send_error(500, 'User does not have permission.')
+    else:
+        return send_error(500, token['message'])
 
 
-# Admin : Change User password
-@app.route('/api/admin/update/user/password', methods=['PUT'])
-def admin_update_user_pwd():
-    return send_message('Admin.update.user.password not implemented', None)
+# Admin : Change User password and/or role
+@app.route('/api/admin/update/user', methods=['PUT'])
+def admin_update_user():
+    token = check_auth_token(request)
+    if token['success']:
+        user_id = token['payload']['id']
+        is_admin = token['payload']['is_admin']
+        if is_admin:
+            post_json = request.json
+            post_is_admin = None
+            post_password = None
+            post_user_id_delete = None
+            fields = ''
+            if 'id' in post_json:
+                post_user_id_delete = int(post_json['id'])
+            else:
+                fields += 'id '
 
+            if 'is_admin' in post_json:
+                post_is_admin = bool(post_json['is_admin'])
+            else:
+                fields += 'is_admin '
 
-# Admin : Change User role
-@app.route('/api/admin/update/user/role', methods=['PUT'])
-def admin_update_user_role():
-    return send_message('Admin.update.user.role not implemented', None)
+            if 'password' in post_json:
+                post_password = str(post_json['password'])
+            else:
+                fields += 'password '
+
+            if post_user_id_delete is not None and (post_is_admin is not None or post_password is not None):
+                if str(post_is_admin) != '' and post_password != '' and str(post_user_id_delete) != '':
+                    ip = request.remote_addr
+                    res = db_admin_update_user(ip, post_user_id_delete, post_is_admin, post_password)
+                    if res['status'] == 1:
+                        db_create_log(
+                            ip=ip,
+                            action='admin/update/user',
+                            message=res['message'],
+                            has_succeeded=False,
+                            status_code=res['status'],
+                            table='users',
+                            id_user=user_id
+                        )
+                        return send_error(500, res['message'])
+                    elif res['status'] == 0:
+                        db_create_log(
+                            ip=ip,
+                            action='admin/update/user',
+                            message=res['message'],
+                            has_succeeded=True,
+                            status_code=res['status'],
+                            table='users',
+                            id_user=user_id
+                        )
+                        return send_message(res['message'], res['data'])
+                else:
+                    return send_error(400, 'Empty is_admin and/or password fields.')
+            else:
+                return send_error(400, 'Need ' + fields + 'field.')
+        else:
+            return send_error(500, 'User does not have permission.')
+    else:
+        return send_error(500, token['message'])
 
 
 # Admin : Delete User
 @app.route('/api/admin/delete/user', methods=['DELETE'])
 def admin_delete_user():
-    return send_message('Admin.delete.user not implemented', None)
+    token = check_auth_token(request)
+    if token['success']:
+        ip = request.remote_addr
+        user_id = token['payload']['id']
+        is_admin = token['payload']['is_admin']
+        if is_admin:
+            post_json = request.json
+            post_user_id_delete = None
+            fields = ''
+            if 'id' in post_json:
+                post_user_id_delete = int(post_json['id'])
+            else:
+                fields += 'id'
+            if post_user_id_delete is not None:
+                if str(post_user_id_delete) != '':
+                    res = db_user_delete(ip, post_user_id_delete)
+                    if res['status'] == 1:
+                        db_create_log(
+                            ip=ip,
+                            action='admin/delete/user',
+                            message=res['message'],
+                            has_succeeded=False,
+                            status_code=res['status'],
+                            table='users',
+                            id_user=user_id
+                        )
+                        return send_error(500, res['message'])
+                    elif res['status'] == 0:
+                        db_create_log(
+                            ip=ip,
+                            action='admin/delete/user',
+                            message=res['message'],
+                            has_succeeded=True,
+                            status_code=res['status'],
+                            table='users',
+                            id_user=user_id
+                        )
+                        return send_message(res['message'], None)
+                else:
+                    return send_error(400, 'Empty id field.')
+            else:
+                return send_error(400, 'Need ' + fields + 'field.')
+        else:
+            return send_error(500, 'User does not have permission.')
+    else:
+        return send_error(500, token['message'])
 
 
 # List of User (must be authenticated) & Search
 @app.route('/api/users', methods=['GET'])
 def users():
-    return send_message('Users not implemented', None)
+    token = check_auth_token(request)
+    if token['success']:
+        ip = request.remote_addr
+        user_id = token['payload']['id']
+        get_query = request.args.get('q')
+        get_by = request.args.get('by')
+        get_id = request.args.get('id')
+        get_is_admin = request.args.get('is_admin')
+        get_order_by = request.args.get('get_order_by')
+        res = db_users(ip, user_id, get_query, get_by, get_id, get_is_admin, get_order_by)
+        if res['status'] == 1:
+            return send_error(500, res['message'])
+        else:
+            return send_message(res['message'], None)
+    else:
+        return send_error(500, token['message'])
diff --git a/backend/init-db1.sql b/backend/init-db1.sql
index 0f033e3..bbec183 100644
--- a/backend/init-db1.sql
+++ b/backend/init-db1.sql
@@ -4,8 +4,10 @@ CREATE TABLE IF NOT EXISTS users
 (
     id serial PRIMARY KEY,
     email character varying(320) NOT NULL,
-    nickname character varying(50) NOT NULL
+    nickname character varying(50) NOT NULL,
     hash_pass bytea NOT NULL,
     salt bytea NOT NULL,
     is_admin boolean NOT NULL DEFAULT FALSE
-)
\ No newline at end of file
+);
+
+INSERT INTO users VALUES(0,'admin@admin.admin','Admin',decode('e5ed79b503704ed20a1d250770db68182118de7fe0236db9bbfb0dd9684087d6', 'hex'),decode('7012f69f1ac7c23c5dca498c30fa94527b507cc9e40fab9bae284d1465a37724', 'hex'),TRUE);
\ No newline at end of file
diff --git a/backend/init-db2.sql b/backend/init-db2.sql
index 874623e..02ebdc9 100644
--- a/backend/init-db2.sql
+++ b/backend/init-db2.sql
@@ -11,4 +11,4 @@ CREATE TABLE IF NOT EXISTS logs
     message character varying(512) NOT NULL,
     has_succeeded boolean NOT NULL,
     status_code smallint NOT NULL
-)
\ No newline at end of file
+);
\ No newline at end of file
diff --git a/docker-compose.yml b/docker-compose.yml
new file mode 100644
index 0000000..41372ca
--- /dev/null
+++ b/docker-compose.yml
@@ -0,0 +1,64 @@
+version: '3.8'
+
+services:
+  flaskaled-srv1:
+    image: postgres:latest
+    container_name: flaskaled-srv1
+    ports:
+      - "5433:5432"
+    volumes:
+      - ./backend/init-db1.sql:/docker-entrypoint-initdb.d/init-db1.sql
+    environment:
+      - POSTGRES_USER=flaskaled1
+      - POSTGRES_PASSWORD=aled1
+      - POSTGRES_DB=flaskaledDb1
+    restart: unless-stopped
+
+  flaskaled-srv2:
+    image: postgres:latest
+    container_name: flaskaled-srv2
+    ports:
+      - "5434:5432"
+    volumes:
+      - ./backend/init-db2.sql:/docker-entrypoint-initdb.d/init-db2.sql
+    environment:
+      - POSTGRES_USER=flaskaled2
+      - POSTGRES_PASSWORD=aled2
+      - POSTGRES_DB=flaskaledDb2
+    restart: unless-stopped
+#
+#  backend:
+#    container_name: backend
+#    build: ./backend
+#    command: node server.js
+#    volumes:
+#      - ./backend:/data/backend
+#    ports:
+#      - "5000:5000"
+#    depends_on:
+#      - flaskaled-srv1
+#      - flaskaled-srv2
+#    links:
+#      - flaskaled-srv1
+#      - flaskaled-srv2
+#    environment:
+#      FLASK_ENV: development
+#      FLASK_DEBUG: 1
+#      #DATABASE_URL_USERS:
+#      #DATABASE_URL_LOGS:
+#      #SECRET_KEY:
+#      #ALLOW_ORIGIN:
+#
+#  frontend:
+#    container_name: frontend
+#    build: ./frontend
+#    command: ng serve --host 0.0.0.0
+#    volumes:
+#      - ./frontend/src:/data/frontend/
+#      - ./frontend/node_modules:/data/frontend/node_modules
+#    ports:
+#      - "4200:4200"
+#    depends_on:
+#      - backend
+#    links:
+#      - backend
\ No newline at end of file