diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
new file mode 100644
index 0000000..07c30ab
--- /dev/null
+++ b/.github/workflows/main.yml
@@ -0,0 +1,14 @@
+on: 
+  [push, pull_request]
+jobs:
+  eslint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v1.4.4
+
+  stylelint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v1.4.4
\ No newline at end of file
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..aa534df
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,13 @@
+FROM node
+
+COPY . /app
+
+WORKDIR /app
+
+RUN npm install
+
+ENV PORT=80
+
+EXPOSE 80
+
+CMD ["npm", "start"]
\ No newline at end of file
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..5df8b1c
--- /dev/null
+++ b/README.md
@@ -0,0 +1,3 @@
+# herocker-exercise-backend
+
+Exercises of day 25.2 - Trybe
diff --git a/heroku.yml b/heroku.yml
new file mode 100644
index 0000000..07338e9
--- /dev/null
+++ b/heroku.yml
@@ -0,0 +1,5 @@
+build:
+  docker:
+    web: Dockerfile
+run:
+  web: node src/api/server.js
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
index 34ef327..771eae8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1345,8 +1345,7 @@
     "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
+      "integrity": "sha512-nne9/IiQ/hzIhY6pdDnbBtz7DjPTKrY00P/zvPSm5pOFkl6xuGrGnXn/VtTNNfNtAfZ9/1RtehkszU9qcTii0Q=="
     },
     "accepts": {
       "version": "1.3.7",
@@ -1441,8 +1440,7 @@
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       "version": "5.0.1",
       "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.1.tgz",
-      "integrity": "sha512-quJQXlTSUGL2LH9SUXo8VwsY4soanhgo6LNSm84E1LBcE8s3O0wpdiRzyR9z/ZZJMlMWv37qOOb9pdJlMUEKFQ==",
-      "dev": true
+      "integrity": "sha512-quJQXlTSUGL2LH9SUXo8VwsY4soanhgo6LNSm84E1LBcE8s3O0wpdiRzyR9z/ZZJMlMWv37qOOb9pdJlMUEKFQ=="
     },
     "ansi-styles": {
       "version": "3.2.1",
@@ -1524,6 +1522,11 @@
       "integrity": "sha1-x57Zf380y48robyXkLzDZkdLS3k=",
       "dev": true
     },
+    "at-least-node": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/at-least-node/-/at-least-node-1.0.0.tgz",
+      "integrity": "sha512-+q/t7Ekv1EDY2l6Gda6LLiX14rU9TV20Wa3ofeQmwPFZbOMo9DXrLbOjFaaclkXKWidIaopwAObQDqwWtGUjqg=="
+    },
     "babel-jest": {
       "version": "27.3.1",
       "resolved": "https://registry.npmjs.org/babel-jest/-/babel-jest-27.3.1.tgz",
@@ -1670,8 +1673,7 @@
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-      "integrity": "sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw==",
-      "dev": true
+      "integrity": "sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw=="
     },
     "binary-extensions": {
       "version": "2.2.0",
@@ -1679,6 +1681,11 @@
       "integrity": "sha512-jDctJ/IVQbZoJykoeHbhXpOlNBqGNcwXJKJog42E5HDPUwQTSdjCHdihjj0DlnheQ7blbT6dHOafNAiS8ooQKA==",
       "dev": true
     },
+    "bluebird": {
+      "version": "3.7.2",
+      "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.7.2.tgz",
+      "integrity": "sha512-XpNj6GDQzdfW+r2Wnn7xiSAd7TM3jzkxGXBGTtWKuSXv1xUV+azxAm8jdWZN06QTQk+2N2XB9jRDkvbmQmcRtg=="
+    },
     "body-parser": {
       "version": "1.19.0",
       "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.19.0.tgz",
@@ -1788,7 +1795,6 @@
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       "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
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-      "dev": true,
       "requires": {
         "balanced-match": "^1.0.0",
         "concat-map": "0.0.1"
@@ -1964,6 +1970,18 @@
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       "dev": true
     },
+    "cli-color": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/cli-color/-/cli-color-2.0.1.tgz",
+      "integrity": "sha512-eBbxZF6fqPUNnf7CLAFOersUnyYzv83tHFLSlts+OAHsNendaqv2tHCq+/MO+b3Y+9JeoUlIvobyxG/Z8GNeOg==",
+      "requires": {
+        "d": "^1.0.1",
+        "es5-ext": "^0.10.53",
+        "es6-iterator": "^2.0.3",
+        "memoizee": "^0.4.15",
+        "timers-ext": "^0.1.7"
+      }
+    },
     "cli-cursor": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/cli-cursor/-/cli-cursor-3.1.0.tgz",
@@ -1983,7 +2001,6 @@
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-      "dev": true,
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@@ -1994,7 +2011,6 @@
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-          "dev": true,
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@@ -2049,8 +2065,7 @@
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-      "dev": true
+      "integrity": "sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ=="
     },
     "component-emitter": {
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@@ -2061,8 +2076,23 @@
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       "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
-      "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=",
-      "dev": true
+      "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s="
+    },
+    "config-chain": {
+      "version": "1.1.13",
+      "resolved": "https://registry.npmjs.org/config-chain/-/config-chain-1.1.13.tgz",
+      "integrity": "sha512-qj+f8APARXHrM0hraqXYb2/bOVSV4PvJQlNZ/DVj0QrmNM2q2euizkeuVckQ57J+W0mRH6Hvi+k50M4Jul2VRQ==",
+      "requires": {
+        "ini": "^1.3.4",
+        "proto-list": "~1.2.1"
+      },
+      "dependencies": {
+        "ini": {
+          "version": "1.3.8",
+          "resolved": "https://registry.npmjs.org/ini/-/ini-1.3.8.tgz",
+          "integrity": "sha512-JV/yugV2uzW5iMRSiZAyDtQd+nxtUnjeLt0acNdw98kKLrvuRVyB80tsREOE7yvGVgalhZ6RNXCmEHkUKBKxew=="
+        }
+      }
     },
     "configstore": {
       "version": "5.0.1",
@@ -2181,6 +2211,15 @@
         }
       }
     },
+    "d": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/d/-/d-1.0.1.tgz",
+      "integrity": "sha512-m62ShEObQ39CfralilEQRjH6oAMtNCV1xJyEx5LpRYUVN+EviphDgUc/F3hnYbADmkiNs67Y+3ylmlG7Lnu+FA==",
+      "requires": {
+        "es5-ext": "^0.10.50",
+        "type": "^1.0.1"
+      }
+    },
     "data-urls": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/data-urls/-/data-urls-2.0.0.tgz",
@@ -2346,7 +2385,6 @@
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       "resolved": "https://registry.npmjs.org/editorconfig/-/editorconfig-0.15.3.tgz",
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-      "dev": true,
       "requires": {
         "commander": "^2.19.0",
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@@ -2358,7 +2396,6 @@
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-          "dev": true,
           "requires": {
             "pseudomap": "^1.0.2",
             "yallist": "^2.1.2"
@@ -2367,14 +2404,12 @@
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           "version": "5.7.1",
           "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
-          "integrity": "sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ==",
-          "dev": true
+          "integrity": "sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ=="
         },
         "yallist": {
           "version": "2.1.2",
           "resolved": "https://registry.npmjs.org/yallist/-/yallist-2.1.2.tgz",
-          "integrity": "sha1-HBH5IY8HYImkfdUS+TxmmaaoHVI=",
-          "dev": true
+          "integrity": "sha1-HBH5IY8HYImkfdUS+TxmmaaoHVI="
         }
       }
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@@ -2398,8 +2433,7 @@
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-      "dev": true
+      "integrity": "sha512-MSjYzcWNOA0ewAHpz0MxpYFvwg6yjy1NG3xteoqz644VCo/RPgnr1/GGt+ic3iJTzQ8Eu3TdM14SawnVUmGE6A=="
     },
     "encodeurl": {
       "version": "1.0.2",
@@ -2463,11 +2497,50 @@
         "is-symbol": "^1.0.2"
       }
     },
+    "es5-ext": {
+      "version": "0.10.59",
+      "resolved": "https://registry.npmjs.org/es5-ext/-/es5-ext-0.10.59.tgz",
+      "integrity": "sha512-cOgyhW0tIJyQY1Kfw6Kr0viu9ZlUctVchRMZ7R0HiH3dxTSp5zJDLecwxUqPUrGKMsgBI1wd1FL+d9Jxfi4cLw==",
+      "requires": {
+        "es6-iterator": "^2.0.3",
+        "es6-symbol": "^3.1.3",
+        "next-tick": "^1.1.0"
+      }
+    },
+    "es6-iterator": {
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/es6-iterator/-/es6-iterator-2.0.3.tgz",
+      "integrity": "sha1-p96IkUGgWpSwhUQDstCg+/qY87c=",
+      "requires": {
+        "d": "1",
+        "es5-ext": "^0.10.35",
+        "es6-symbol": "^3.1.1"
+      }
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+      "resolved": "https://registry.npmjs.org/es6-symbol/-/es6-symbol-3.1.3.tgz",
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+        "d": "^1.0.1",
+        "ext": "^1.1.2"
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+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/es6-weak-map/-/es6-weak-map-2.0.3.tgz",
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+        "d": "1",
+        "es5-ext": "^0.10.46",
+        "es6-iterator": "^2.0.3",
+        "es6-symbol": "^3.1.1"
+      }
+    },
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       "version": "3.1.1",
       "resolved": "https://registry.npmjs.org/escalade/-/escalade-3.1.1.tgz",
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+      "integrity": "sha512-k0er2gUkLf8O0zKJiAhmkTnJlTvINGv7ygDNPbeIsX/TJjGJZHuh9B2UxbsaEkmlEo9MfhrSzmhIlhRlI2GXnw=="
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@@ -3151,6 +3224,15 @@
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       "integrity": "sha1-Qa4u62XvpiJorr/qg6x9eSmbCIc="
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+    "event-emitter": {
+      "version": "0.3.5",
+      "resolved": "https://registry.npmjs.org/event-emitter/-/event-emitter-0.3.5.tgz",
+      "integrity": "sha1-34xp7vFkeSPHFXuc6DhAYQsCzDk=",
+      "requires": {
+        "d": "1",
+        "es5-ext": "~0.10.14"
+      }
+    },
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       "resolved": "https://registry.npmjs.org/execa/-/execa-5.1.1.tgz",
@@ -3302,6 +3384,21 @@
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     },
+    "ext": {
+      "version": "1.6.0",
+      "resolved": "https://registry.npmjs.org/ext/-/ext-1.6.0.tgz",
+      "integrity": "sha512-sdBImtzkq2HpkdRLtlLWDa6w4DX22ijZLKx8BMPUuKe1c5lbN6xwQDQCxSfxBQnHZ13ls/FH0MQZx/q/gr6FQg==",
+      "requires": {
+        "type": "^2.5.0"
+      },
+      "dependencies": {
+        "type": {
+          "version": "2.6.0",
+          "resolved": "https://registry.npmjs.org/type/-/type-2.6.0.tgz",
+          "integrity": "sha512-eiDBDOmkih5pMbo9OqsqPRGMljLodLcwd5XD5JbtNB0o89xZAwynY9EdCDsJU7LtcVCClu9DvM7/0Ep1hYX3EQ=="
+        }
+      }
+    },
     "external-editor": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/external-editor/-/external-editor-3.1.0.tgz",
@@ -3466,11 +3563,28 @@
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       "integrity": "sha1-PYyt2Q2XZWn6g1qx+OSyOhBWBac="
     },
+    "fs-extra": {
+      "version": "9.1.0",
+      "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-9.1.0.tgz",
+      "integrity": "sha512-hcg3ZmepS30/7BSFqRvoo3DOMQu7IjqxO5nCDt+zM9XWjb33Wg7ziNT+Qvqbuc3+gWpzO02JubVyk2G4Zvo1OQ==",
+      "requires": {
+        "at-least-node": "^1.0.0",
+        "graceful-fs": "^4.2.0",
+        "jsonfile": "^6.0.1",
+        "universalify": "^2.0.0"
+      },
+      "dependencies": {
+        "universalify": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/universalify/-/universalify-2.0.0.tgz",
+          "integrity": "sha512-hAZsKq7Yy11Zu1DE0OzWjw7nnLZmJZYTDZZyEFHZdUhV8FkH5MCfoU1XMaxXovpyW5nq5scPqq0ZDP9Zyl04oQ=="
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-      "integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8=",
-      "dev": true
+      "integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8="
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     "fsevents": {
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     "functional-red-black-tree": {
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@@ -3500,8 +3613,7 @@
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-      "dev": true
+      "integrity": "sha512-DyFP3BM/3YHTQOCUL/w0OZHR0lpKeGrxotcHWcqNEdnltqFwXVfhEBQ94eIo34AfQpo0rGki4cyIiftY06h2Fg=="
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@@ -3543,7 +3655,6 @@
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@@ -3624,14 +3735,12 @@
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@@ -5513,6 +5624,27 @@
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@@ -5616,6 +5748,22 @@
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@@ -5697,6 +5845,14 @@
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+      "resolved": "https://registry.npmjs.org/lru-queue/-/lru-queue-0.1.0.tgz",
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+      "resolved": "https://registry.npmjs.org/memoizee/-/memoizee-0.4.15.tgz",
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+        "event-emitter": "^0.3.5",
+        "is-promise": "^2.2.2",
+        "lru-queue": "^0.1.0",
+        "next-tick": "^1.1.0",
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@@ -5794,7 +5965,6 @@
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+    },
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@@ -6015,7 +6190,6 @@
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@@ -6133,8 +6307,7 @@
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-      "dev": true
+      "integrity": "sha1-F0uSaHNVNP+8es5r9TpanhtcX18="
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@@ -6145,8 +6318,7 @@
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+      "integrity": "sha512-LDJzPVEEEPR+y48z93A0Ed0yXb8pAByGWo/k5YYdYgpY2/2EsOsksJrq7lOHxryrVOn1ejG6oAp8ahvOIQD8sw=="
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     "path-to-regexp": {
       "version": "0.1.7",
@@ -6322,6 +6494,11 @@
         "sisteransi": "^1.0.5"
       }
     },
+    "proto-list": {
+      "version": "1.2.4",
+      "resolved": "https://registry.npmjs.org/proto-list/-/proto-list-1.2.4.tgz",
+      "integrity": "sha1-IS1b/hMYMGpCD2QCuOJv85ZHqEk="
+    },
     "proxy-addr": {
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       "resolved": "https://registry.npmjs.org/proxy-addr/-/proxy-addr-2.0.7.tgz",
@@ -6334,8 +6511,7 @@
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-      "integrity": "sha1-8FKijacOYYkX7wqKw0wa5aaChrM=",
-      "dev": true
+      "integrity": "sha1-8FKijacOYYkX7wqKw0wa5aaChrM="
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@@ -6485,14 +6661,12 @@
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-      "integrity": "sha1-jGStX9MNqxyXbiNE/+f3kqam30I=",
-      "dev": true
+      "integrity": "sha1-jGStX9MNqxyXbiNE/+f3kqam30I="
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@@ -6699,6 +6873,20 @@
         "wkx": "^0.5.0"
       }
     },
+    "sequelize-cli": {
+      "version": "6.4.1",
+      "resolved": "https://registry.npmjs.org/sequelize-cli/-/sequelize-cli-6.4.1.tgz",
+      "integrity": "sha512-gIzzFitUGUErq6DYd1JDnsmx7z7XcxzRNe4Py3AqeaxcyjpCAZU2BQnsNPGPMKAaXfMtKi/d9Tu4MtLrehVzIQ==",
+      "requires": {
+        "cli-color": "^2.0.1",
+        "fs-extra": "^9.1.0",
+        "js-beautify": "^1.14.0",
+        "lodash": "^4.17.21",
+        "resolve": "^1.20.0",
+        "umzug": "^2.3.0",
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@@ -6749,8 +6937,7 @@
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-      "integrity": "sha1-P/IfGYytIXX587eBhT/ZTQ0ZtZA=",
-      "dev": true
+      "integrity": "sha1-P/IfGYytIXX587eBhT/ZTQ0ZtZA="
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@@ -6866,7 +7053,6 @@
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-      "dev": true,
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@@ -6877,7 +7063,6 @@
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@@ -7129,6 +7314,15 @@
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       "dev": true
     },
+    "timers-ext": {
+      "version": "0.1.7",
+      "resolved": "https://registry.npmjs.org/timers-ext/-/timers-ext-0.1.7.tgz",
+      "integrity": "sha512-b85NUNzTSdodShTIbky6ZF02e8STtVVfD+fu4aXXShEELpozH+bCpJLYMPZbsABN2wDH7fJpqIoXxJpzbf0NqQ==",
+      "requires": {
+        "es5-ext": "~0.10.46",
+        "next-tick": "1"
+      }
+    },
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       "resolved": "https://registry.npmjs.org/tmp/-/tmp-0.0.33.tgz",
@@ -7231,6 +7425,11 @@
         "tslib": "^1.8.1"
       }
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+    "type": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/type/-/type-1.2.0.tgz",
+      "integrity": "sha512-+5nt5AAniqsCnu2cEQQdpzCAh33kVx8n0VoFidKpB1dVVLAN/F+bgVOqOJqOnEnrhp222clB5p3vUlD+1QAnfg=="
+    },
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       "resolved": "https://registry.npmjs.org/type-check/-/type-check-0.3.2.tgz",
@@ -7270,6 +7469,14 @@
         "is-typedarray": "^1.0.0"
       }
     },
+    "umzug": {
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/umzug/-/umzug-2.3.0.tgz",
+      "integrity": "sha512-Z274K+e8goZK8QJxmbRPhl89HPO1K+ORFtm6rySPhFKfKc5GHhqdzD0SGhSWHkzoXasqJuItdhorSvY7/Cgflw==",
+      "requires": {
+        "bluebird": "^3.7.2"
+      }
+    },
     "unbox-primitive": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/unbox-primitive/-/unbox-primitive-1.0.1.tgz",
@@ -7562,7 +7769,6 @@
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-      "dev": true,
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@@ -7573,7 +7779,6 @@
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-          "dev": true,
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@@ -7582,7 +7787,6 @@
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-          "dev": true,
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@@ -7590,14 +7794,12 @@
         "color-name": {
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           "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.4.tgz",
-          "integrity": "sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA==",
-          "dev": true
+          "integrity": "sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA=="
         },
         "strip-ansi": {
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           "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-6.0.1.tgz",
           "integrity": "sha512-Y38VPSHcqkFrCpFnQ9vuSXmquuv5oXOKpGeT6aGrr3o3Gc9AlVa6JBfUSOCnbxGGZF+/0ooI7KrPuUSztUdU5A==",
-          "dev": true,
           "requires": {
             "ansi-regex": "^5.0.1"
           }
@@ -7607,8 +7809,7 @@
     "wrappy": {
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       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
-      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
-      "dev": true
+      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
     },
     "write": {
       "version": "1.0.3",
@@ -7663,8 +7864,7 @@
     "y18n": {
       "version": "5.0.8",
       "resolved": "https://registry.npmjs.org/y18n/-/y18n-5.0.8.tgz",
-      "integrity": "sha512-0pfFzegeDWJHJIAmTLRP2DwHjdF5s7jo9tuztdQxAhINCdvS+3nGINqPd00AphqJR/0LhANUS6/+7SCb98YOfA==",
-      "dev": true
+      "integrity": "sha512-0pfFzegeDWJHJIAmTLRP2DwHjdF5s7jo9tuztdQxAhINCdvS+3nGINqPd00AphqJR/0LhANUS6/+7SCb98YOfA=="
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       "version": "4.0.0",
@@ -7675,7 +7875,6 @@
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       "resolved": "https://registry.npmjs.org/yargs/-/yargs-16.2.0.tgz",
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-      "dev": true,
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@@ -7689,8 +7888,7 @@
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       "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-20.2.4.tgz",
-      "integrity": "sha512-WOkpgNhPTlE73h4VFAFsOnomJVaovO8VqLDzy5saChRBFQFBoMYirowyW+Q9HB4HFF4Z7VZTiG3iSzJJA29yRA==",
-      "dev": true
+      "integrity": "sha512-WOkpgNhPTlE73h4VFAFsOnomJVaovO8VqLDzy5saChRBFQFBoMYirowyW+Q9HB4HFF4Z7VZTiG3iSzJJA29yRA=="
     }
   }
 }
diff --git a/package.json b/package.json
index a42645a..0bcd577 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,8 @@
     "express-rescue": "^1.1.31",
     "pg": "^8.7.1",
     "pg-hstore": "^2.3.4",
-    "sequelize": "^6.7.0"
+    "sequelize": "^6.7.0",
+    "sequelize-cli": "^6.4.1"
   },
   "devDependencies": {
     "eslint-config-trybe-backend": "^1.0.4",
diff --git a/src/api/app.js b/src/api/app.js
index d7e7a62..e8aaae8 100644
--- a/src/api/app.js
+++ b/src/api/app.js
@@ -1,12 +1,20 @@
 const express = require('express');
+require('dotenv').config();
 const rescue = require('express-rescue');
+const cors = require('cors');
 const UserController = require('../controllers/user');
 const errorMiddleware = require('../middlewares/error');
 
 const app = express();
 
-app.get('/users', rescue(UserController));
+app.use(cors());
+
+app.use((req, res, next) => {
+  res.setHeader('Access-Control-Allow-Origin', '*');
+  next();
+});
 
+app.get('/users', rescue(UserController));
 app.use(errorMiddleware);
 
-module.exports = app;
+module.exports = app;
\ No newline at end of file
diff --git a/src/api/server.js b/src/api/server.js
index bdcc2b9..b77242c 100644
--- a/src/api/server.js
+++ b/src/api/server.js
@@ -1,5 +1,5 @@
 const app = require('./app');
 
-const PORT = 3000;
+const PORT = process.env.PORT || 3000;
 
 app.listen(PORT, () => console.log(`Rodando na porta ${PORT}`));
diff --git a/src/sequelize/config/config.js b/src/sequelize/config/config.js
index cff33d5..a724f6d 100644
--- a/src/sequelize/config/config.js
+++ b/src/sequelize/config/config.js
@@ -1,23 +1,30 @@
+require('dotenv').config();
+
+const { DB_USER, DB_PASSWORD, HOST, DATABASE, DB_PORT } = process.env;
+console.log('host******', HOST);
 module.exports = {
   development: {
-    username: 'root',
-    password: null,
-    database: 'database_development',
-    host: '127.0.0.1',
+    username: DB_USER,
+    password: DB_PASSWORD,
+    database: DATABASE,
+    host: HOST,
+    port: DB_PORT,
     dialect: 'postgres',
   },
   test: {
-    username: 'root',
-    password: null,
-    database: 'database_test',
-    host: '127.0.0.1',
+    username: DB_USER,
+    password: DB_PASSWORD,
+    database: DATABASE,
+    host: HOST,
+    port: DB_PORT,
     dialect: 'postgres',
   },
   production: {
-    username: 'root',
-    password: null,
-    database: 'database_test',
-    host: '127.0.0.1',
+    username: DB_USER,
+    password: DB_PASSWORD,
+    database: DATABASE,
+    host: HOST,
+    port: DB_PORT,
     dialect: 'postgres',
   },
 };
\ No newline at end of file
diff --git a/utils/testSequelizeConnection.js b/utils/testSequelizeConnection.js
index 360ecab..e76dce8 100644
--- a/utils/testSequelizeConnection.js
+++ b/utils/testSequelizeConnection.js
@@ -1,9 +1,9 @@
 const Sequelize = require('sequelize');
-const configToTest = require('../src/sequelize/config/config').development;
+const configToTest = require('../src/sequelize/config/config').development
 
 const sequelize = new Sequelize(configToTest);
 
 sequelize
     .authenticate()
     .then(() => console.log('Conexão foi estabelecida com sucesso.'))
-    .catch((err) => console.log('Não foi possível conectar com o banco de dados: \n', err));
+    .catch((err) => console.log('Não foi possível conectar com o banco de dados: \n', err));
\ No newline at end of file