🔧 Add CircleCI folder and steps to build the app.

.circleci/config.yml

@@ -0,0 +1,38 @@
+version: 2
+jobs:
+  build:
+    docker:
+      - image: circleci/python
+      - image: circleci/postgres
+    working_directory: ~/repo
+    steps:
+      - checkout
+      - restore_cache:
+          keys:
+            - dependencies-{{ checksum "requirements/dev.tx" }}-{{ checksum "requirements/prod.txt" }}
+            # fallback to using the latest cache if no exact match is found
+            - dependencies-
+      - run: 
+          name: Install dependencies
+          command: pip install -r requirements/dev.txt --user
+      - run: docker container run --name flask_db_test -e POSTGRES_PASSWORD=somePwd -e POSTGRES_USER=myUsr -p 5432:5432 -d postgres
+      - run: sleep 1
+      - run: 
+          name: Setup dababase
+          environment:
+            POSTGRES_DB: psqluer
+            POSTGRES_USER: myUsr
+            POSTGRES_PASSWORD: somePwd
+            DATABASE_URL: postgresql://myUsr:somePwd@localhost:5432/myUsr
+            FLASK_DEBUG: 0 
+          command: flask db upgrade
+            
+
+  
+              exit 1; \
+            fi
+workflows:
+  version: 2
+  build-test:
+    jobs:
+      - build