added script to generate docker ifles

generate_docker_files.py

@@ -0,0 +1,46 @@
+import argparse
+import sys
+import yaml
+
+
+def open_file(app_name):
+    with open("voseq_apps.yml", "r") as handle:
+        data = yaml.load(handle.read(), Loader=yaml.FullLoader)
+
+    if app_name not in data:
+        sys.exit(f'{app_name} not found in available apps {list(data.keys())}')
+
+    app_data = data[app_name]
+
+    files_and_data = [
+        # file, data to replace, data to replace with
+        ('run/docker/.env', 'voseq', app_name),
+        ('run/docker/postgres/init-user-db.sh', 'voseq', app_name),
+        ('run/docker/docker-compose.yml', '8081', app_data['http_port']),
+        ('run/docker/docker-compose.yml', '4431', app_data['https_port']),
+    ]
+    for item in files_and_data:
+        with open(item[0], 'r') as handle:
+            data = handle.read()
+
+        data = data.replace(item[1], str(item[2]))
+        with open(item[0], 'w') as handle:
+            handle.write(data)
+
+
+def main():
+    parser = argparse.ArgumentParser(description="Generate docker files")
+    parser.add_argument(
+        '-a',
+        '--app_name',
+        dest="app_name",
+        action="store",
+        required=True,
+    )
+    args = parser.parse_args()
+    print(f'Will generate docker files for app "{args.app_name}"')
+    open_file(args.app_name)
+
+
+if __name__ == "__main__":
+    main()

voseq_apps.yml

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+# This is a list of app names that can be used to generate docker files and ports
+# so that we can run several Voseq installations in a single server without
+# port or name conflicts.
+# Write here the apps that you want to install in your single server.
+# Run the script to regenerate such files (under the run folder) in case they
+# get overwritten by updates to the Voseq repository.
+#
+# Usage:
+# python generate_docker_files.py APP_NAME
+
+# default app
+voseq:
+  name: voseq
+  http_port: 8081
+  https_port: 4431