add NACSOS_ prefix to env vars to prevent collisions

config/default.env

-LOG_CONF_FILE="config/logging.toml"
+NACSOS_LOG_CONF_FILE="config/logging.toml"
 
-SERVER__HOST="localhost"
-SERVER__PORT=8081
-SERVER__CORS_ORIGINS='["http://localhost:8080", "http://localhost:8081","http://localhost", "http://0.0.0.0:8081", "http://0.0.0.0", "http://127.0.0.1:8081", "http://127.0.0.1"]'
-SERVER__HEADER_CORS=true
+NACSOS_SERVER__HOST="localhost"
+NACSOS_SERVER__PORT=8081
+NACSOS_SERVER__CORS_ORIGINS='["http://localhost:8080", "http://localhost:8081","http://localhost", "http://0.0.0.0:8081", "http://0.0.0.0", "http://127.0.0.1:8081", "http://127.0.0.1"]'
+NACSOS_SERVER__HEADER_CORS=true
 
-DB__HOST="localhost"
-DB__PORT=5432
-DB__USER="root"
-DB__PASSWORD="root"
-DB__DATABASE="nacsos_core"
+NACSOS_DB__HOST="localhost"
+NACSOS_DB__PORT=5432
+NACSOS_DB__USER="root"
+NACSOS_DB__PASSWORD="root"
+NACSOS_DB__DATABASE="nacsos_core"
 
-USERS__DEFAULT_USER="b0949d0e-e3e1-47c3-9a5d-a2cbbdc2ea23"
\ No newline at end of file
+NACSOS_USERS__DEFAULT_USER="b0949d0e-e3e1-47c3-9a5d-a2cbbdc2ea23"
\ No newline at end of file

server/util/config.py

@@ -121,6 +121,7 @@ class Settings(BaseSettings):
 
     class Config:
         case_sensitive = True
+        env_prefix = 'NACSOS_'
         env_nested_delimiter = '__'