fix some errors in make_env, and in svelte replace instances of domain url by a variable

srcs/docker-compose.yml

@@ -13,6 +13,13 @@ services:
       - .env
     environment:
       NODE_ENV: "${NODE_ENV}"
+      WEBSITE_HOST: "${WEBSITE_HOST}"
+      WEBSITE_PORT: "${WEBSITE_PORT}"
+      POSTGRES_USER: "${POSTGRES_USER}"
+      POSTGRES_PASSWORD: "${POSTGRES_PASSWORD}"
+      POSTGRES_DB: "${POSTGRES_DB}"
+      POSTGRES_HOST: "${POSTGRES_HOST}"
+      POSTGRES_PORT: "${POSTGRES_PORT}"
     restart: unless-stopped
     depends_on:
       - postgresql