changed all postgres versions to 13

.gitlab-ci.yml

@@ -112,7 +112,7 @@ test_pytest:
   <<: *test_definition_virtualenv
   stage: test
   services:
-    - postgres:9.6
+    - postgres:13
   script:
     - pytest --cov --ds=grady.settings.test core/tests
   artifacts:
@@ -152,7 +152,7 @@ test_frontend:
   <<: *test_definition_frontend
   stage: test
   services:
-    - postgres:9.6
+    - postgres:13
   script:
     - cp frontend/dist/index.html core/templates
     - python util/format_index.py

README.md

@@ -62,7 +62,7 @@ installed automatically during the installation process.
 
 To set up a new development instance perform the following steps:
 
-1.  Create a virtual environment with a Python3.6 interpreter and install 
+1.  Create a virtual environment with a Python3.6 interpreter and install
 all relevant dependencies:
 
 ```shell script
@@ -82,7 +82,7 @@ pipenv shell
 4.  Set up a Postgres 9.5 database. If you have docker installed the
     easiest way is to just run it in a docker container, like this:
 ```shell script
-        docker run -d --rm --name postgres -p 5432:5432 postgres:9.5
+        docker run -d --rm --name postgres -p 5432:5432 postgres:13
 
 ```
 
@@ -137,31 +137,31 @@ make teste2e path=functional_tests headless=True
 for headless mode (Note: You might need to install additional dependencies).
 
     make teste2e
-    
+
 Notice that this will always issue a complete rebuild of the frontend. If you want to run tests without building the
 frontend anew, use
 
     make teste2e-nc
-    
+
 
 ## Production
 
-In order to run the app in production, a server with 
-[Docker](https://www.docker.com/) is needed. To make routing to the 
+In order to run the app in production, a server with
+[Docker](https://www.docker.com/) is needed. To make routing to the
 respective instances easier, we recommend running [traefik](https://traefik.io/)
 as a reverse proxy on the server. For easier configuration of the containers
 we recommend using `docker-compose`. The following guide will assume both these
 dependencies are available.
 
 ### Setting up a new instance
-Simply copy the following `docker-compose.yml` onto your production server:  
+Simply copy the following `docker-compose.yml` onto your production server:
 ```yaml
 version: "3"
 
 services:
 
   postgres:
-    image: postgres:9.6
+    image: postgres:13
     labels:
       traefik.enable: "false"
     networks:
@@ -198,14 +198,14 @@ networks:
     external: false
 ```
 
-and set the `INSTANCE`, `URLPATH`, `GRADY_HOST` variables either directly in the 
+and set the `INSTANCE`, `URLPATH`, `GRADY_HOST` variables either directly in the
 compose file or within an `.env` file in the same directory as the `docker-compose.yml`
-(it will be automatically loaded by `docker-compose`).  
+(it will be automatically loaded by `docker-compose`).
 Login to gwdg gitlab docker registry by entering:
 ```commandline
 docker login docker.gitlab.gwdg.de
 ```
-Running 
+Running
 ```commandline
 docker-compose pull
 docker-compose up -d
@@ -214,17 +214,17 @@ will download the latest postgres and grady images and run them in the backgroun
 
 ### Importing exam data
 #### Exam data structure
-In order to import the exam data it must be in a specific format.  
+In order to import the exam data it must be in a specific format.
 You need the following:
 
 1. A .json file file containing the output of the converted ILIAS export which is
     generated by [hektor](https://gitlab.gwdg.de/j.michal/hektor)
-2. A plain text file containing one username per line. A new **reviewer** account 
+2. A plain text file containing one username per line. A new **reviewer** account
     will be created with the corresponding username and a randomly
-    generated password. The passwords are written to a `.importer_passwords` file.  
-    This step should not be skipped because a reviewer account is necessary in order 
+    generated password. The passwords are written to a `.importer_passwords` file.
+    This step should not be skipped because a reviewer account is necessary in order
     to activate the tutor accounts.
-    
+
 
 #### Importing exam data
 In order to create reviewer accounts, open an interactive shell session in the running container:

docker-compose.yml

@@ -3,7 +3,7 @@ version: '3'
 services:
 
   postgres:
-    image: postgres:9.6
+    image: postgres:13
     restart: always
     networks:
       - default