Refactor environment configuration and update Docker Compose settings

docker-compose.yml

@@ -8,10 +8,10 @@ services:
     security_opt:
       - no-new-privileges:true
     networks:
-      - ${TRAEFIK_NETWORK:-traefik-public}
+      - traefik-public
     labels:
       - "traefik.enable=true"
-      - "traefik.docker.network=${TRAEFIK_NETWORK:-traefik-public}"
+      - "traefik.docker.network=traefik-public"
       - "traefik.http.routers.tennis-roots.rule=Host(`${DOMAIN:-tennis.localhost}`)"
       - "traefik.http.routers.tennis-roots.entrypoints=${ENTRYPOINT:-https}"
       - "traefik.http.routers.tennis-roots.tls=true"
@@ -23,5 +23,5 @@ services:
       - "traefik.http.middlewares.tennis-roots-headers.headers.customresponseheaders.X-Robots-Tag=noindex"
 
 networks:
-  ${TRAEFIK_NETWORK:-traefik-public}:
+  traefik-public:
     external: true