add presentation slides and adjust documentation for github container…

… registry

Dockerfile

@@ -42,6 +42,9 @@ EXPOSE 8080
 # Command to run the executable
 CMD ["./miracummapper"]
 
+# There could be problems with the scratch image when communicating with https as it does not have certificates
+# in this case, either manually copy the certificates over or use a different base image like alpine (see blow):
+
 # # alpine enables to use curl for healthcheck
 # FROM alpine:latest
 

README.MD

@@ -19,7 +19,7 @@ The backend is a RESTful API that provides endpoints for the frontend to interac
 
 ## Quick Start
 
-The application can be build and run using Docker. The following command will build the Docker image and run the container next to a postgres database container. An Keycloak instance with the corresponding postgres database is also started. The Keycloak instances need to persist data, thats why two volumes have to be created in advance.
+The application can be build and run using Docker. The following command will build the Docker image and run the container next to a postgres database container. An Keycloak instance with the corresponding postgres database is also started. The Keycloak instances need to persist data, thats why two volumes have to be created in advance. The docker compose.yaml file by default pulls the image `ghcr.io/miracum/miracum-mapper-2.0-backend:1.0.0` form the GitHub Container registry (In the docker compose, the image section can be replaced with the build section which is currently commented out to build the image locally).
 
 ```bash
 docker volume create miracum_postgres_data

docker-compose.yaml

@@ -1,10 +1,11 @@
 version: "3.3"
 services:
   miracum-mapper:
-    build:
-      context: .
-      dockerfile: Dockerfile
-    container_name: miracum-mapper
+    # build:
+    #   context: .
+    #   dockerfile: Dockerfile
+    # container_name: miracum-mapper
+    image: ghcr.io/miracum/miracum-mapper-2.0-backend:1.0.0
     ports:
       - "8080:8080"
     environment:

docs/deployment.md

@@ -18,6 +18,8 @@ environment:
   - DB_PASSWORD=miracum_password
 ```
 
+There could be problems with the scratch image when communicating over https with other services as it does not have certificates. In this case, either manually copy the certificates over or use a different base image like Alpine.
+
 ## Frontend Configuration
 
 The Frontend can be configured using a `.env` file. The following environment variables can be used:

internal/database/gormTestData.go

@@ -4,8 +4,9 @@ import (
 	"fmt"
 	"miracummapper/internal/database/models"
 
+	"math/rand"
+
 	"github.com/google/uuid"
-	"golang.org/x/exp/rand"
 	"gorm.io/gorm"
 )