Customers can view and cancel their booking through a link in the e-mail. Fixes #18

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

deploy/rezervator.sh

@@ -64,6 +64,7 @@ load_env() {
     NETWORK="$PREFIX"
     CUSTOMER_MAX_CONNECTIONS="${CUSTOMER_MAX_CONNECTIONS:-5}"
     BASE_PORT="${BASE_PORT:-3100}"
+    TIME_ZONE="${REZERVATOR_TZ:-Europe/Prague}"
 
     case "$PROXY" in traefik|nginx) ;; *) die "REZERVATOR_PROXY must be traefik or nginx" ;; esac
     case "$POSTGRES" in container|host) ;; *) die "REZERVATOR_POSTGRES must be container or host" ;; esac
@@ -230,6 +231,8 @@ run_container() {
         --network "$NETWORK"
         --volume "$CUSTOMERS_DIR/$name/config.toml:/app/config/config.toml:ro"
         --volume "$(volume_name "$name"):/app/data"
+        # Times of bookings are local times; the deadline for cancelling is compared with the clock
+        --env "TZ=$TIME_ZONE"
         --label "rezervator.stack=$PREFIX"
         --label "rezervator.customer=$name"
         --label "rezervator.domain=$domain"
@@ -392,6 +395,7 @@ SQL
         -e "s|@DB_PORT@|$PG_PORT|" \
         -e "s|@MAX_CONNECTIONS@|$CUSTOMER_MAX_CONNECTIONS|" \
         -e "s|@MAIL_FROM@|$mail_from|" \
+        -e "s|@DOMAIN@|$domain|" \
         "$DEPLOY_DIR/config.template.toml" > "$dir/config.toml"
     # The directory is closed to other users; the application in the container must be able to read the file
     chmod 644 "$dir/config.toml"