copied the code from the working repo

mtucijobsbackend/app/database.py

@@ -0,0 +1,47 @@
+from sqlalchemy import create_engine
+from sqlalchemy.orm import sessionmaker, Session
+from .config import settings
+from .models import Hard_skills
+
+DATABASE_URL = f'postgresql://{settings.database_username}:{settings.database_password}@{settings.database_hostname}:{settings.database_port}/{settings.database_name}'
+
+engine = create_engine(DATABASE_URL)
+
+SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
+
+def get_db():
+    db = SessionLocal()
+    
+    try:
+        yield db
+    finally:
+        db.close()
+
+def init_db(session: Session):
+
+    titles = [
+        'C', 'C++', 'C#', 'Java', 'Python', 'Ruby', 'Ruby on Rails', 'R', 'Matlab', 'Django', 'NetBeans',
+        'Scala', 'JavaScript', 'TypeScript', 'Go', 'Software Development', 'Application Development',
+        'Web Applications', 'Object Oriented Programming', 'Aspect Oriented Programming', 'Concurrent Programming',
+        'Mobile Development (iOS)', 'Mobile Development (Android)', 'Data Science', 'Data Analytics', 'Data Mining',
+        'Data Visualization', 'Machine Learning', 'TensorFlow', 'PyTorch', 'Keras', 'Theano', 'Statistical Analysis',
+        'Bayesian Analysis', 'Regression Analysis', 'Time Series Analysis', 'Clustering', 'K-means', 'KNN', 'Decision Trees',
+        'Random Forest', 'Dimensionality Reduction', 'PCA', 'SVD', 'Gradient Descent', 'Stochastic Gradient Descent',
+        'Outlier Detection', 'Frequent Itemset Mining', 'SQL', 'NoSQL', 'SQL Server', 'MS SQL Server', 'Apache Hadoop',
+        'Apache Spark', 'Apache Airflow', 'Apache Impala', 'Apache Drill', 'HTML', 'CSS', 'React', 'Angular', 'Vue.js',
+        'Node.js', 'Express.js', 'REST', 'SOAP', 'Web Platforms', 'System Architecture', 'Distributed Computing', 'AWS',
+        'AWS Glue', 'Azure', 'Google Cloud Platform', 'Docker', 'Kubernetes', 'UNIX', 'Linux', 'Windows', 'MacOS',
+        'Embedded Hardware', 'Debugging', 'Unit Testing', 'Integration Testing', 'System Testing', 'Code Review', 'Git',
+        'SVN', 'CI/CD', 'Software Documentation', 'IDE', 'CASE Tools', 'Computational Complexity', 'Algorithm Design',
+        'Data Structures', 'Mathematical Modeling', 'Statistics', 'Technical Writing', 'Technical Support', 'System Design',
+        'System Development', 'Technical Guidance', 'Client Interface', 'Vendor Interface', 'Emerging Technologies', 'Jira',
+        'Trello', 'Software Architecture', 'Word', 'Excel'
+    ]
+
+    for title in titles:
+        exist_hardskill = session.query(Hard_skills).filter(Hard_skills.Title == title).first()
+
+        if not exist_hardskill:
+            hard_skills_object = Hard_skills(Title=title)
+            session.add(hard_skills_object)
+            session.commit()