chore(*): adopt project templates

backend/.env.example

@@ -1,14 +1,27 @@
+RUN_ENVIRONMENT=prod
+TZ=UTC
+
+LOG__LEVEL=INFO
+LOG__LEVEL_EXTERNAL=WARNING
+LOG__SHOW_TIME=false
+LOG__CONSOLE_WIDTH=150
+
+DB__HOST=postgres
+DB__PORT=5432
+DB__USER=beavergram
+DB__PASSWORD=beavergram
+DB__DB_NAME=beavergram
+DB__MIN_POOL_SIZE=5
+DB__MAX_POOL_SIZE=20
+DB__SCRIPTS_CONNECTION_URL=postgresql://beavergram:beavergram@localhost:5432/beavergram
+
 TG__SESSION_NAME=beavergram
 TG__SESSIONS_DIR=sessions
 
 API__HOST=0.0.0.0
 API__PORT=8080
 
-AUTH__TOKEN=<AUTH__TOKEN>
+AUTH__TOKEN=
 
+STORAGE__ROOT=./storage
 STORAGE__SHARD_DEPTH=2
-
-LOG__LEVEL=INFO
-LOG__LEVEL_EXTERNAL=WARNING
-LOG__SHOW_TIME=false
-LOG__CONSOLE_WIDTH=150