fix dockerfile

Dockerfile

@@ -39,9 +39,6 @@ RUN apk add --no-cache \
 RUN addgroup -g 1000 appuser && \
     adduser -D -u 1000 -G appuser appuser
 
-# Copy credentials file if it exists
-COPY --chown=appuser:appuser credentials.json .
-
 # Copy virtual environment from builder
 COPY --from=builder /opt/venv /opt/venv
 ENV PATH="/opt/venv/bin:$PATH"
@@ -55,6 +52,7 @@ WORKDIR /app
 # Copy application files
 COPY --chown=appuser:appuser app.py .
 COPY --chown=appuser:appuser main.py .
+COPY --chown=appuser:appuser credentials.json .
 COPY --chown=appuser:appuser static ./static
 
 # Copy and setup entrypoint script

static/js/main.js

@@ -1,6 +1,8 @@
 (($) => {
+  const isSecure = location.protocol === "https:";
+  const port = location.port ? `:${location.port}` : "";
   var ws = new WebSocket(
-    `ws://${location.protocol + "//" + location.host}${location.port ? ":" + location.port : ""}/ws`,
+    `ws${isSecure ? "s" : ""}://${location.host}${port}/ws`,
   );
   const input = $("#message");
   const messages = $("#messages");