Updated docker and script files to make them more robust

dockerfile

@@ -3,4 +3,5 @@ COPY ./requirements.txt /app/requirements.txt
 WORKDIR /app
 RUN pip install -r requirements.txt
 COPY . /app
-CMD ["scripts/run.sh"]
+RUN chmod +x scripts/run.sh
+CMD ["sh", "scripts/run.sh"]

scripts/create_database.py

@@ -1,13 +1,18 @@
 import sqlite3
+import os
 
 
-def create_connection(db_file):
+def create_connection(path: str, filename: str):
     """ create a database connection to a SQLite database """
     conn = None
     try:
-        print("Opening Database file and ensuring table integrity")
-        conn = sqlite3.connect(db_file)
+        # Make the directory for the file to go into
+        create_directory(path)
 
+        print("Opening Database file and ensuring table integrity")
+        conn = sqlite3.connect(path + filename)
+
+        print("Database file open")
         # Execute creation scripts
         sql = open("scripts/create_tables.sql", "r");
         conn.executescript(sql.read())
@@ -20,6 +25,12 @@ def create_connection(db_file):
         if conn:
             conn.close()
 
+# Ensure a directory is created given a path to it
+def create_directory(dir: str):
+    try:
+        os.makedirs(dir)
+    except FileExistsError:
+        pass
 
 if __name__ == '__main__':
-    create_connection(r"./data/wmgzon.db")
+    create_connection(r"./data/",  r"wmgzon.db")

scripts/run.sh

@@ -1,4 +1,4 @@
 #! /bin/sh
 
-python ./scripts/create_database.py
+python ./scripts/create_database.py 
 python ./app.py