Removed legacy docker files.

Dockerfile

@@ -1,5 +0,0 @@
-FROM mongo as base
-
-EXPOSE 27017
-
-CMD ["mongod"]

docker-compose.yml

@@ -1,24 +0,0 @@
-version: "3.9"
-
-services:
-    mongodb:
-        container_name: mongodb
-        image: mongodb
-        restart: always
-        build:
-            context: .
-            dockerfile: Dockerfile
-            target: base
-        environment:
-            MONGO_INITDB_ROOT_USERNAME: ${DATABASE_USERNAME}
-            MONGO_INITDB_ROOT_PASSWORD: ${DATABASE_PASSWORD}
-        ports:
-            - ${DATABASE_PORT}:${DATABASE_PORT}
-        expose:
-            - "${DATABASE_PORT}"
-        networks:
-            - docker
-
-networks:
-    docker:
-        external: true