more docker updates

scripts/local-up.sh

@@ -19,4 +19,26 @@ fi
 COMPOSE_ENV=${COMPOSE_ENV:-dev}
 
 echo "Starting compose with COMPOSE_ENV=$COMPOSE_ENV (using .env.$COMPOSE_ENV)"
-COMPOSE_ENV=$COMPOSE_ENV docker compose -f docker/docker-compose.prod.yml -f docker/docker-compose.dev.yml up -d --build
+# Load variables from .env.<env> into the environment so Compose variable
+# substitution (e.g. ${NGINX_HTTP_PORT}) works. We export all variables from
+# the file for the duration of the command.
+ENV_FILE="$REPO_ROOT/.env.$COMPOSE_ENV"
+if [ -f "$ENV_FILE" ]; then
+  # Export variables from the .env file safely without sourcing it. Some
+  # values include characters (parentheses, ampersands) that break POSIX
+  # shell parsing if the file is sourced directly. Read line-by-line,
+  # ignore comments/empty lines and export KEY=VALUE pairs.
+  while IFS= read -r _line || [ -n "$_line" ]; do
+    line="$_line"
+    case "$line" in
+      ''|\#*) continue ;;
+    esac
+    # Split on first '=' into key and value
+    key=${line%%=*}
+    val=${line#*=}
+    # Export directly (preserves special characters in the value)
+    export "$key=$val"
+  done < "$ENV_FILE"
+fi
+
+COMPOSE_ENV=$COMPOSE_ENV docker compose -f docker/docker-compose.prod.yml -f docker/docker-compose.dev.yml up --build