diff --git a/.gitignore b/.gitignore
index b9222f2..d5696b6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,5 @@
 **/node_modules
-**keys**
+**/config
 npm-debug.log
 .DS_Store
 /*.env
\ No newline at end of file
diff --git a/middlewares/auth/index.js b/middlewares/auth/index.js
new file mode 100644
index 0000000..bd2d937
--- /dev/null
+++ b/middlewares/auth/index.js
@@ -0,0 +1,29 @@
+import admin from "../../services/auth/index.js";
+
+const getAuthToken = (req, res, next) => {
+  if (
+    req.headers.authorization &&
+    req.headers.authorization.split(" ")[0] === "Bearer"
+  ) {
+    req.authToken = req.headers.authorization.split(" ")[1];
+  } else {
+    req.authToken = null;
+  }
+  next();
+};
+
+const authenticationChecker = (req, res, next) => {
+  getAuthToken(req, res, async () => {
+    try {
+      const { authToken } = req;
+      const userInfo = await admin.auth().verifyIdToken(authToken);
+      req.authId = userInfo.uid;
+      return next();
+    } catch (e) {
+      return res
+        .status(401)
+        .json({ error: "You are not authorized to make this request." });
+    }
+  });
+};
+export default authenticationChecker;
diff --git a/package-lock.json b/package-lock.json
index 1b2b3a8..1fec815 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -855,6 +855,305 @@
         "to-fast-properties": "^2.0.0"
       }
     },
+    "@firebase/app-types": {
+      "version": "0.6.0",
+      "resolved": "https://registry.npmjs.org/@firebase/app-types/-/app-types-0.6.0.tgz",
+      "integrity": "sha512-ld6rzjXk/SUauHiQZJkeuSJpxIZ5wdnWuF5fWBFQNPaxsaJ9kyYg9GqEvwZ1z2e6JP5cU9gwRBlfW1WkGtGDYA=="
+    },
+    "@firebase/auth-interop-types": {
+      "version": "0.1.4",
+      "resolved": "https://registry.npmjs.org/@firebase/auth-interop-types/-/auth-interop-types-0.1.4.tgz",
+      "integrity": "sha512-CLKNS84KGAv5lRnHTQZFWoR11Ti7gIPFirDDXWek/fSU+TdYdnxJFR5XSD4OuGyzUYQ3Dq7aVj5teiRdyBl9hA=="
+    },
+    "@firebase/component": {
+      "version": "0.1.10",
+      "resolved": "https://registry.npmjs.org/@firebase/component/-/component-0.1.10.tgz",
+      "integrity": "sha512-Iy1+f8wp6mROz19oxWUd31NxMlGxtW1IInGHITnVa6eZtXOg0lxcbgYeLp9W3PKzvvNfshHU0obDkcMY97zRAw==",
+      "requires": {
+        "@firebase/util": "0.2.45",
+        "tslib": "1.11.1"
+      }
+    },
+    "@firebase/database": {
+      "version": "0.6.1",
+      "resolved": "https://registry.npmjs.org/@firebase/database/-/database-0.6.1.tgz",
+      "integrity": "sha512-7XqUbj3nK2vEdFjGOXBfKISmpLrM0caIwwfDPxhn6i7X/g6AIH+D1limH+Jit4QeKMh/IJZDNqO7P+Fz+e8q1Q==",
+      "requires": {
+        "@firebase/auth-interop-types": "0.1.4",
+        "@firebase/component": "0.1.10",
+        "@firebase/database-types": "0.5.0",
+        "@firebase/logger": "0.2.2",
+        "@firebase/util": "0.2.45",
+        "faye-websocket": "0.11.3",
+        "tslib": "1.11.1"
+      }
+    },
+    "@firebase/database-types": {
+      "version": "0.5.0",
+      "resolved": "https://registry.npmjs.org/@firebase/database-types/-/database-types-0.5.0.tgz",
+      "integrity": "sha512-6/W3frFznYOALtw2nrWVPK2ytgdl89CzTqVBHCCGf22wT6uKU63iDBo+Nw+7olFGpD15O0zwYalFIcMZ27tkew==",
+      "requires": {
+        "@firebase/app-types": "0.6.0"
+      }
+    },
+    "@firebase/logger": {
+      "version": "0.2.2",
+      "resolved": "https://registry.npmjs.org/@firebase/logger/-/logger-0.2.2.tgz",
+      "integrity": "sha512-MbEy17Ha1w/DlLtvxG89ScQ+0+yoElGKJ1nUCQHHLjeMNsRwd2wnUPOVCsZvtBzQp8Z0GaFmD4a2iG2v91lEbA=="
+    },
+    "@firebase/util": {
+      "version": "0.2.45",
+      "resolved": "https://registry.npmjs.org/@firebase/util/-/util-0.2.45.tgz",
+      "integrity": "sha512-k3IqXaIgwlPg7m5lXmMUtkqA/p+LMFkFQIqBuDtdT0iyWB6kQDokyjw2Sgd3GoTybs6tWqUKFZupZpV6r73UHw==",
+      "requires": {
+        "tslib": "1.11.1"
+      }
+    },
+    "@google-cloud/common": {
+      "version": "2.4.0",
+      "resolved": "https://registry.npmjs.org/@google-cloud/common/-/common-2.4.0.tgz",
+      "integrity": "sha512-zWFjBS35eI9leAHhjfeOYlK5Plcuj/77EzstnrJIZbKgF/nkqjcQuGiMCpzCwOfPyUbz8ZaEOYgbHa759AKbjg==",
+      "optional": true,
+      "requires": {
+        "@google-cloud/projectify": "^1.0.0",
+        "@google-cloud/promisify": "^1.0.0",
+        "arrify": "^2.0.0",
+        "duplexify": "^3.6.0",
+        "ent": "^2.2.0",
+        "extend": "^3.0.2",
+        "google-auth-library": "^5.5.0",
+        "retry-request": "^4.0.0",
+        "teeny-request": "^6.0.0"
+      }
+    },
+    "@google-cloud/firestore": {
+      "version": "3.7.4",
+      "resolved": "https://registry.npmjs.org/@google-cloud/firestore/-/firestore-3.7.4.tgz",
+      "integrity": "sha512-RBMG4uZFHeQPFMHTRFMyQ7LDQTLa0f+U0hLAa/7XWjpZHgxKuOWBonsv+C3geymAwShIZSoV/NpNh9tBK7YF5g==",
+      "optional": true,
+      "requires": {
+        "deep-equal": "^2.0.0",
+        "functional-red-black-tree": "^1.0.1",
+        "google-gax": "^1.13.0",
+        "readable-stream": "^3.4.0",
+        "through2": "^3.0.0"
+      },
+      "dependencies": {
+        "deep-equal": {
+          "version": "2.0.2",
+          "resolved": "https://registry.npmjs.org/deep-equal/-/deep-equal-2.0.2.tgz",
+          "integrity": "sha512-kX0bjV7tdMuhrhzKPEnVwqfQCuf+IEfN+4Xqv4eKd75xGRyn8yzdQ9ujPY6a221rgJKyQC4KBu1PibDTpa6m9w==",
+          "optional": true,
+          "requires": {
+            "es-abstract": "^1.17.5",
+            "es-get-iterator": "^1.1.0",
+            "is-arguments": "^1.0.4",
+            "is-date-object": "^1.0.2",
+            "is-regex": "^1.0.5",
+            "isarray": "^2.0.5",
+            "object-is": "^1.0.2",
+            "object-keys": "^1.1.1",
+            "regexp.prototype.flags": "^1.3.0",
+            "side-channel": "^1.0.2",
+            "which-boxed-primitive": "^1.0.1",
+            "which-collection": "^1.0.1",
+            "which-typed-array": "^1.1.1"
+          }
+        },
+        "isarray": {
+          "version": "2.0.5",
+          "resolved": "https://registry.npmjs.org/isarray/-/isarray-2.0.5.tgz",
+          "integrity": "sha512-xHjhDr3cNBK0BzdUJSPXZntQUx/mwMS5Rw4A7lPJ90XGAO6ISP/ePDNuo0vhqOZU+UD5JoodwCAAoZQd3FeAKw==",
+          "optional": true
+        },
+        "readable-stream": {
+          "version": "3.6.0",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.0.tgz",
+          "integrity": "sha512-BViHy7LKeTz4oNnkcLJ+lVSL6vpiFeX6/d3oSH8zCW7UxP2onchk+vTGB143xuFjHS3deTgkKoXXymXqymiIdA==",
+          "optional": true,
+          "requires": {
+            "inherits": "^2.0.3",
+            "string_decoder": "^1.1.1",
+            "util-deprecate": "^1.0.1"
+          }
+        }
+      }
+    },
+    "@google-cloud/paginator": {
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/@google-cloud/paginator/-/paginator-2.0.3.tgz",
+      "integrity": "sha512-kp/pkb2p/p0d8/SKUu4mOq8+HGwF8NPzHWkj+VKrIPQPyMRw8deZtrO/OcSiy9C/7bpfU5Txah5ltUNfPkgEXg==",
+      "optional": true,
+      "requires": {
+        "arrify": "^2.0.0",
+        "extend": "^3.0.2"
+      }
+    },
+    "@google-cloud/projectify": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/@google-cloud/projectify/-/projectify-1.0.4.tgz",
+      "integrity": "sha512-ZdzQUN02eRsmTKfBj9FDL0KNDIFNjBn/d6tHQmA/+FImH5DO6ZV8E7FzxMgAUiVAUq41RFAkb25p1oHOZ8psfg==",
+      "optional": true
+    },
+    "@google-cloud/promisify": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/@google-cloud/promisify/-/promisify-1.0.4.tgz",
+      "integrity": "sha512-VccZDcOql77obTnFh0TbNED/6ZbbmHDf8UMNnzO1d5g9V0Htfm4k5cllY8P1tJsRKC3zWYGRLaViiupcgVjBoQ==",
+      "optional": true
+    },
+    "@google-cloud/storage": {
+      "version": "4.7.0",
+      "resolved": "https://registry.npmjs.org/@google-cloud/storage/-/storage-4.7.0.tgz",
+      "integrity": "sha512-f0guAlbeg7Z0m3gKjCfBCu7FG9qS3M3oL5OQQxlvGoPtK7/qg3+W+KQV73O2/sbuS54n0Kh2mvT5K2FWzF5vVQ==",
+      "optional": true,
+      "requires": {
+        "@google-cloud/common": "^2.1.1",
+        "@google-cloud/paginator": "^2.0.0",
+        "@google-cloud/promisify": "^1.0.0",
+        "arrify": "^2.0.0",
+        "compressible": "^2.0.12",
+        "concat-stream": "^2.0.0",
+        "date-and-time": "^0.13.0",
+        "duplexify": "^3.5.0",
+        "extend": "^3.0.2",
+        "gaxios": "^3.0.0",
+        "gcs-resumable-upload": "^2.2.4",
+        "hash-stream-validation": "^0.2.2",
+        "mime": "^2.2.0",
+        "mime-types": "^2.0.8",
+        "onetime": "^5.1.0",
+        "p-limit": "^2.2.0",
+        "pumpify": "^2.0.0",
+        "readable-stream": "^3.4.0",
+        "snakeize": "^0.1.0",
+        "stream-events": "^1.0.1",
+        "through2": "^3.0.0",
+        "xdg-basedir": "^4.0.0"
+      },
+      "dependencies": {
+        "gaxios": {
+          "version": "3.0.3",
+          "resolved": "https://registry.npmjs.org/gaxios/-/gaxios-3.0.3.tgz",
+          "integrity": "sha512-PkzQludeIFhd535/yucALT/Wxyj/y2zLyrMwPcJmnLHDugmV49NvAi/vb+VUq/eWztATZCNcb8ue+ywPG+oLuw==",
+          "optional": true,
+          "requires": {
+            "abort-controller": "^3.0.0",
+            "extend": "^3.0.2",
+            "https-proxy-agent": "^5.0.0",
+            "is-stream": "^2.0.0",
+            "node-fetch": "^2.3.0"
+          }
+        },
+        "mime": {
+          "version": "2.4.4",
+          "resolved": "https://registry.npmjs.org/mime/-/mime-2.4.4.tgz",
+          "integrity": "sha512-LRxmNwziLPT828z+4YkNzloCFC2YM4wrB99k+AV5ZbEyfGNWfG8SO1FUXLmLDBSo89NrJZ4DIWeLjy1CHGhMGA==",
+          "optional": true
+        },
+        "readable-stream": {
+          "version": "3.6.0",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.0.tgz",
+          "integrity": "sha512-BViHy7LKeTz4oNnkcLJ+lVSL6vpiFeX6/d3oSH8zCW7UxP2onchk+vTGB143xuFjHS3deTgkKoXXymXqymiIdA==",
+          "optional": true,
+          "requires": {
+            "inherits": "^2.0.3",
+            "string_decoder": "^1.1.1",
+            "util-deprecate": "^1.0.1"
+          }
+        }
+      }
+    },
+    "@grpc/grpc-js": {
+      "version": "0.7.9",
+      "resolved": "https://registry.npmjs.org/@grpc/grpc-js/-/grpc-js-0.7.9.tgz",
+      "integrity": "sha512-ihn9xWOqubMPBlU77wcYpy7FFamGo5xtsK27EAILL/eoOvGEAq29UOrqRvqYPwWfl2+3laFmGKNR7uCdJhKu4Q==",
+      "optional": true,
+      "requires": {
+        "semver": "^6.2.0"
+      },
+      "dependencies": {
+        "semver": {
+          "version": "6.3.0",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-6.3.0.tgz",
+          "integrity": "sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw==",
+          "optional": true
+        }
+      }
+    },
+    "@grpc/proto-loader": {
+      "version": "0.5.4",
+      "resolved": "https://registry.npmjs.org/@grpc/proto-loader/-/proto-loader-0.5.4.tgz",
+      "integrity": "sha512-HTM4QpI9B2XFkPz7pjwMyMgZchJ93TVkL3kWPW8GDMDKYxsMnmf4w2TNMJK7+KNiYHS5cJrCEAFlF+AwtXWVPA==",
+      "optional": true,
+      "requires": {
+        "lodash.camelcase": "^4.3.0",
+        "protobufjs": "^6.8.6"
+      }
+    },
+    "@protobufjs/aspromise": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/@protobufjs/aspromise/-/aspromise-1.1.2.tgz",
+      "integrity": "sha1-m4sMxmPWaafY9vXQiToU00jzD78=",
+      "optional": true
+    },
+    "@protobufjs/base64": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/@protobufjs/base64/-/base64-1.1.2.tgz",
+      "integrity": "sha512-AZkcAA5vnN/v4PDqKyMR5lx7hZttPDgClv83E//FMNhR2TMcLUhfRUBHCmSl0oi9zMgDDqRUJkSxO3wm85+XLg==",
+      "optional": true
+    },
+    "@protobufjs/codegen": {
+      "version": "2.0.4",
+      "resolved": "https://registry.npmjs.org/@protobufjs/codegen/-/codegen-2.0.4.tgz",
+      "integrity": "sha512-YyFaikqM5sH0ziFZCN3xDC7zeGaB/d0IUb9CATugHWbd1FRFwWwt4ld4OYMPWu5a3Xe01mGAULCdqhMlPl29Jg==",
+      "optional": true
+    },
+    "@protobufjs/eventemitter": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/@protobufjs/eventemitter/-/eventemitter-1.1.0.tgz",
+      "integrity": "sha1-NVy8mLr61ZePntCV85diHx0Ga3A=",
+      "optional": true
+    },
+    "@protobufjs/fetch": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/@protobufjs/fetch/-/fetch-1.1.0.tgz",
+      "integrity": "sha1-upn7WYYUr2VwDBYZ/wbUVLDYTEU=",
+      "optional": true,
+      "requires": {
+        "@protobufjs/aspromise": "^1.1.1",
+        "@protobufjs/inquire": "^1.1.0"
+      }
+    },
+    "@protobufjs/float": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/@protobufjs/float/-/float-1.0.2.tgz",
+      "integrity": "sha1-Xp4avctz/Ap8uLKR33jIy9l7h9E=",
+      "optional": true
+    },
+    "@protobufjs/inquire": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/@protobufjs/inquire/-/inquire-1.1.0.tgz",
+      "integrity": "sha1-/yAOPnzyQp4tyvwRQIKOjMY48Ik=",
+      "optional": true
+    },
+    "@protobufjs/path": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/@protobufjs/path/-/path-1.1.2.tgz",
+      "integrity": "sha1-bMKyDFya1q0NzP0hynZz2Nf79o0=",
+      "optional": true
+    },
+    "@protobufjs/pool": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/@protobufjs/pool/-/pool-1.1.0.tgz",
+      "integrity": "sha1-Cf0V8tbTq/qbZbw2ZQbWrXhG/1Q=",
+      "optional": true
+    },
+    "@protobufjs/utf8": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/@protobufjs/utf8/-/utf8-1.1.0.tgz",
+      "integrity": "sha1-p3c2C1s5oaLlEG+OhY8v0tBgxXA=",
+      "optional": true
+    },
     "@sindresorhus/is": {
       "version": "0.14.0",
       "resolved": "https://registry.npmjs.org/@sindresorhus/is/-/is-0.14.0.tgz",
@@ -870,18 +1169,53 @@
         "defer-to-connect": "^1.0.1"
       }
     },
+    "@tootallnate/once": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/@tootallnate/once/-/once-1.1.2.tgz",
+      "integrity": "sha512-RbzJvlNzmRq5c3O09UipeuXno4tA1FE6ikOjxZK0tuxVv3412l64l5t1W5pj4+rJq9vpkm/kwiR07aZXnsKPxw==",
+      "optional": true
+    },
     "@types/color-name": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/@types/color-name/-/color-name-1.1.1.tgz",
       "integrity": "sha512-rr+OQyAjxze7GgWrSaJwydHStIhHq2lvY3BOC2Mj7KnzI7XK0Uw1TOOdI9lDoajEbSWLiYgoo4f1R51erQfhPQ==",
       "dev": true
     },
+    "@types/fs-extra": {
+      "version": "8.1.0",
+      "resolved": "https://registry.npmjs.org/@types/fs-extra/-/fs-extra-8.1.0.tgz",
+      "integrity": "sha512-UoOfVEzAUpeSPmjm7h1uk5MH6KZma2z2O7a75onTGjnNvAvMVrPzPL/vBbT65iIGHWj6rokwfmYcmxmlSf2uwg==",
+      "optional": true,
+      "requires": {
+        "@types/node": "*"
+      }
+    },
+    "@types/long": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/@types/long/-/long-4.0.1.tgz",
+      "integrity": "sha512-5tXH6Bx/kNGd3MgffdmP4dy2Z+G4eaXw0SE81Tq3BNadtnMR5/ySMzX4SLEzHJzSmPNn4HIdpQsBvXMUykr58w==",
+      "optional": true
+    },
+    "@types/node": {
+      "version": "8.10.60",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-8.10.60.tgz",
+      "integrity": "sha512-YjPbypHFuiOV0bTgeF07HpEEqhmHaZqYNSdCKeBJa+yFoQ/7BC+FpJcwmi34xUIIRVFktnUyP1dPU8U0612GOg=="
+    },
     "abbrev": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/abbrev/-/abbrev-1.1.1.tgz",
       "integrity": "sha512-nne9/IiQ/hzIhY6pdDnbBtz7DjPTKrY00P/zvPSm5pOFkl6xuGrGnXn/VtTNNfNtAfZ9/1RtehkszU9qcTii0Q==",
       "dev": true
     },
+    "abort-controller": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/abort-controller/-/abort-controller-3.0.0.tgz",
+      "integrity": "sha512-h8lQ8tacZYnR3vNQTgibj+tODHI5/+l06Au2Pcriv/Gmet0eaj4TwWH41sO9wnHDiQsEj19q0drzdWdeAHtweg==",
+      "optional": true,
+      "requires": {
+        "event-target-shim": "^5.0.0"
+      }
+    },
     "accepts": {
       "version": "1.3.7",
       "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.7.tgz",
@@ -891,6 +1225,32 @@
         "negotiator": "0.6.2"
       }
     },
+    "agent-base": {
+      "version": "6.0.0",
+      "resolved": "https://registry.npmjs.org/agent-base/-/agent-base-6.0.0.tgz",
+      "integrity": "sha512-j1Q7cSCqN+AwrmDd+pzgqc0/NpC655x2bUf5ZjRIO77DcNBFmh+OgRNzF6OKdCC9RSCb19fGd99+bhXFdkRNqw==",
+      "optional": true,
+      "requires": {
+        "debug": "4"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "4.1.1",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
+          "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
+          "optional": true,
+          "requires": {
+            "ms": "^2.1.1"
+          }
+        },
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+    },
+    "websocket-extensions": {
+      "version": "0.1.3",
+      "resolved": "https://registry.npmjs.org/websocket-extensions/-/websocket-extensions-0.1.3.tgz",
+      "integrity": "sha512-nqHUnMXmBzT0w570r2JpJxfiSD1IzoI+HGVdd3aZ0yNi3ngvQ4jv1dtHt5VGxfI2yj5yqImPhOK4vmIh2xMbGg=="
+    },
+    "which-boxed-primitive": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/which-boxed-primitive/-/which-boxed-primitive-1.0.1.tgz",
+      "integrity": "sha512-7BT4TwISdDGBgaemWU0N0OU7FeAEJ9Oo2P1PHRm/FCWoEi2VLWC9b6xvxAA3C/NMpxg3HXVgi0sMmGbNUbNepQ==",
+      "optional": true,
+      "requires": {
+        "is-bigint": "^1.0.0",
+        "is-boolean-object": "^1.0.0",
+        "is-number-object": "^1.0.3",
+        "is-string": "^1.0.4",
+        "is-symbol": "^1.0.2"
+      }
+    },
+    "which-collection": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/which-collection/-/which-collection-1.0.1.tgz",
+      "integrity": "sha512-W8xeTUwaln8i3K/cY1nGXzdnVZlidBcagyNFtBdD5kxnb4TvGKR7FfSIS3mYpwWS1QUCutfKz8IY8RjftB0+1A==",
+      "optional": true,
+      "requires": {
+        "is-map": "^2.0.1",
+        "is-set": "^2.0.1",
+        "is-weakmap": "^2.0.1",
+        "is-weakset": "^2.0.1"
+      }
+    },
     "which-module": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/which-module/-/which-module-2.0.0.tgz",
       "integrity": "sha1-2e8H3Od7mQK4o6j6SzHD4/fm6Ho="
     },
+    "which-typed-array": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/which-typed-array/-/which-typed-array-1.1.2.tgz",
+      "integrity": "sha512-KT6okrd1tE6JdZAy3o2VhMoYPh3+J6EMZLyrxBQsZflI1QCZIxMrIYLkosd8Twf+YfknVIHmYQPgJt238p8dnQ==",
+      "optional": true,
+      "requires": {
+        "available-typed-arrays": "^1.0.2",
+        "es-abstract": "^1.17.5",
+        "foreach": "^2.0.5",
+        "function-bind": "^1.1.1",
+        "has-symbols": "^1.0.1",
+        "is-typed-array": "^1.1.3"
+      }
+    },
     "widest-line": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/widest-line/-/widest-line-3.1.0.tgz",
@@ -3442,14 +4645,12 @@
     "wrappy": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
-      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
-      "dev": true
+      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
     },
     "write-file-atomic": {
       "version": "3.0.3",
       "resolved": "https://registry.npmjs.org/write-file-atomic/-/write-file-atomic-3.0.3.tgz",
       "integrity": "sha512-AvHcyZ5JnSfq3ioSyjrBkH9yW4m7Ayk8/9My/DD9onKeu/94fwrMocemO2QAJFAlnnDN+ZDS+ZjAR5ua1/PV/Q==",
-      "dev": true,
       "requires": {
         "imurmurhash": "^0.1.4",
         "is-typedarray": "^1.0.0",
@@ -3465,14 +4666,24 @@
     "xdg-basedir": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/xdg-basedir/-/xdg-basedir-4.0.0.tgz",
-      "integrity": "sha512-PSNhEJDejZYV7h50BohL09Er9VaIefr2LMAf3OEmpCkjOi34eYyQYAXUTjEQtZJTKcF0E2UKTh+osDLsgNim9Q==",
-      "dev": true
+      "integrity": "sha512-PSNhEJDejZYV7h50BohL09Er9VaIefr2LMAf3OEmpCkjOi34eYyQYAXUTjEQtZJTKcF0E2UKTh+osDLsgNim9Q=="
+    },
+    "xtend": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.2.tgz",
+      "integrity": "sha512-LKYU1iAXJXUgAXn9URjiu+MWhyUXHsvfp7mcuYm9dSUKK0/CjtrUwFAxD82/mCWbtLsGjFIad0wIsod4zrTAEQ=="
     },
     "y18n": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/y18n/-/y18n-4.0.0.tgz",
       "integrity": "sha512-r9S/ZyXu/Xu9q1tYlpsLIsa3EeLXXk0VwlxqTcFRfg9EhMW+17kbt9G0NrgCmhGb5vT2hyhJZLfDGx+7+5Uj/w=="
     },
+    "yallist": {
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/yallist/-/yallist-3.1.1.tgz",
+      "integrity": "sha512-a4UGQaWPH59mOXUYnAG2ewncQS4i4F43Tv3JoAM+s2VDAmS9NsK8GpDMLrCHPksFT7h3K6TOoUNn2pb7RoXx4g==",
+      "optional": true
+    },
     "yargs": {
       "version": "13.3.2",
       "resolved": "https://registry.npmjs.org/yargs/-/yargs-13.3.2.tgz",
diff --git a/package.json b/package.json
index b821e89..e2724d6 100644
--- a/package.json
+++ b/package.json
@@ -4,8 +4,8 @@
   "description": "",
   "main": "server.js",
   "scripts": {
-    "start": "node --experimental-modules server.js",
-    "server": "nodemon server.js",
+    "start": "node --experimental-modules --experimental-json-modules server.js",
+    "server": "nodemon --experimental-json-modules server.js",
     "client": "npm start --prefix client",
     "client-install": "npm install --prefix client",
     "dev": "concurrently \"npm run server\" \"npm run client\"",
@@ -22,6 +22,7 @@
     "@babel/preset-env": "^7.9.5",
     "concurrently": "^5.1.0",
     "express": "^4.17.1",
+    "firebase-admin": "^8.11.0",
     "helmet": "^3.22.0",
     "moment": "^2.24.0",
     "mongoose": "^5.9.10",
diff --git a/routes/api/users.js b/routes/api/users.js
new file mode 100644
index 0000000..e25d422
--- /dev/null
+++ b/routes/api/users.js
@@ -0,0 +1,27 @@
+import express from "express";
+import admin from "../../services/auth/index.js";
+
+const router = express.Router();
+
+router.post("/", async (req, res) => {
+  const {
+    email,
+    firstName,
+    lastName,
+    password,
+    phoneNumber,
+    photoUrl,
+  } = req.body;
+
+  const user = await admin.auth().createUser({
+    email,
+    phoneNumber,
+    password,
+    displayName: `${firstName} ${lastName}`,
+    photoUrl,
+  });
+
+  return res.json(user);
+});
+
+export default router;
diff --git a/server.js b/server.js
index 6a49461..f222553 100644
--- a/server.js
+++ b/server.js
@@ -4,6 +4,8 @@ import path from "path";
 import moment from "moment";
 import helmet from "helmet";
 import items from "./routes/api/items.js";
+import users from "./routes/api/users.js";
+import authenticationChecker from "./middlewares/auth/index.js";
 
 const app = express();
 
@@ -13,7 +15,6 @@ const PORT = process.env.PORT || 5000;
 const db =
   process.env.MONGO_URI ||
   "mongodb+srv://ruidy:Xyxoo971+mongodb@projectscluster-xcfet.mongodb.net/test?retryWrites=true&w=majority";
-
 // connection to database
 mongoose
   .connect(db, { useNewUrlParser: true, useUnifiedTopology: true })
@@ -22,10 +23,12 @@ mongoose
 
 // some security
 app.use(helmet());
+app.use(authenticationChecker);
 // bodyparser middleware
 app.use(express.json());
 // Register routes
 app.use("/api/items/", items);
+app.use("/api/users/", users);
 
 // Serve static assets in production
 if (process.env.NODE_ENV === "production") {
diff --git a/services/auth/index.js b/services/auth/index.js
new file mode 100644
index 0000000..2878c86
--- /dev/null
+++ b/services/auth/index.js
@@ -0,0 +1,9 @@
+import admin from "firebase-admin";
+import serviceAccount from "../../config/service_account.json";
+
+admin.initializeApp({
+  credential: admin.default.credential.cert(serviceAccount),
+  databaseURL: "https://devprojects-4749c.firebaseio.com",
+});
+
+export default admin;