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Commit 463abf7

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Saravana Kumar Rajendran
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Add shell frontend and nginx gateway for multi-app routing
1 parent 4e690d5 commit 463abf7

12 files changed

Lines changed: 23414 additions & 6 deletions

‎docker/build_and_push.Dockerfile‎

Lines changed: 30 additions & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -52,20 +52,33 @@ RUN --mount=type=cache,target=/root/.cache/uv \
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COPY ./src /app/src
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RUN mkdir -p /app/static
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ARG VITE_AUTO_LOGIN=true
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ENV VITE_AUTO_LOGIN=$VITE_AUTO_LOGIN
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COPY src/frontend /tmp/src/frontend
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WORKDIR /tmp/src/frontend
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ARG VITE_CLERK_AUTH_ENABLED=false
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ARG VITE_CLERK_PUBLISHABLE_KEY=""
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ENV VITE_CLERK_AUTH_ENABLED=$VITE_CLERK_AUTH_ENABLED
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ENV VITE_CLERK_PUBLISHABLE_KEY=$VITE_CLERK_PUBLISHABLE_KEY
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COPY src/frontend-shell /tmp/src/frontend-shell
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WORKDIR /tmp/src/frontend-shell
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RUN --mount=type=cache,target=/root/.npm \
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npm ci \
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&& ESBUILD_BINARY_PATH="" NODE_OPTIONS="--max-old-space-size=12288" JOBS=1 npm run build \
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&& mkdir -p /app/static/frontend-shell \
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&& cp -r build/. /app/static/frontend-shell/ \
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&& rm -rf /tmp/src/frontend-shell
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COPY src/frontend /tmp/src/frontend
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WORKDIR /tmp/src/frontend
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RUN --mount=type=cache,target=/root/.npm \
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npm ci \
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&& ESBUILD_BINARY_PATH="" NODE_OPTIONS="--max-old-space-size=12288" JOBS=1 npm run build \
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&& mkdir -p /app/static/frontend-app \
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&& cp -r build/. /app/static/frontend-app/ \
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&& cp -r build /app/src/backend/langflow/frontend \
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&& rm -rf /tmp/src/frontend
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@@ -83,7 +96,7 @@ FROM python:3.12.3-slim AS runtime
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RUN apt-get update \
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&& apt-get upgrade -y \
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&& apt-get install -y curl git libpq5 gnupg \
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&& apt-get install -y curl git libpq5 gnupg nginx supervisor \
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&& curl -fsSL https://deb.nodesource.com/setup_18.x | bash - \
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&& apt-get install -y nodejs \
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&& apt-get clean \
@@ -92,6 +105,17 @@ RUN apt-get update \
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COPY --from=builder --chown=1000 /app/.venv /app/.venv
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RUN mkdir -p /app/docker
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COPY --from=builder --chown=1000 /app/static /app/static
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COPY --from=builder --chown=1000 /app/src/backend/langflow/frontend /app/src/backend/langflow/frontend
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COPY docker/nginx/nginx.conf /etc/nginx/nginx.conf
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COPY docker/nginx/multi-frontend.conf /etc/nginx/conf.d/multi-frontend.conf
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COPY docker/supervisord.conf /app/docker/supervisord.conf
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RUN rm -f /etc/nginx/conf.d/default.conf \
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&& chown -R 1000:0 /app/docker /app/static
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# Place executables in the environment at the front of the path
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ENV PATH="/app/.venv/bin:$PATH"
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@@ -107,5 +131,5 @@ WORKDIR /app
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ENV LANGFLOW_HOST=0.0.0.0
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ENV LANGFLOW_PORT=7860
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CMD ["langflow", "run"]
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CMD ["/usr/bin/supervisord", "-c", "/app/docker/supervisord.conf"]
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‎docker/nginx/multi-frontend.conf‎

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@@ -0,0 +1,79 @@
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server {
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listen 8080;
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listen [::]:8080;
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# shell bundle assets
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location ^~ /shell-assets/ {
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alias /app/static/frontend-shell/shell-assets/;
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try_files $uri =404;
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add_header Cache-Control "public, max-age=31536000, immutable";
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}
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# landing/login/org routes served by shell bundle
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location = / {
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root /app/static/frontend-shell;
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add_header Cache-Control "no-cache, no-store, must-revalidate";
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add_header Pragma "no-cache";
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add_header Expires "0";
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try_files /index.html =404;
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}
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location = /login {
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root /app/static/frontend-shell;
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add_header Cache-Control "no-cache, no-store, must-revalidate";
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add_header Pragma "no-cache";
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add_header Expires "0";
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try_files /index.html =404;
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}
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location = /organization {
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root /app/static/frontend-shell;
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add_header Cache-Control "no-cache, no-store, must-revalidate";
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add_header Pragma "no-cache";
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add_header Expires "0";
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try_files /index.html =404;
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}
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# backend API proxy
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location ^~ /api/ {
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proxy_pass http://127.0.0.1:7860/api/;
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proxy_http_version 1.1;
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proxy_set_header Host $host;
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proxy_set_header X-Real-IP $remote_addr;
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proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
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proxy_set_header X-Forwarded-Proto $scheme;
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}
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location = /api {
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proxy_pass http://127.0.0.1:7860/api;
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proxy_http_version 1.1;
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proxy_set_header Host $host;
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proxy_set_header X-Real-IP $remote_addr;
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proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
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proxy_set_header X-Forwarded-Proto $scheme;
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}
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location /health {
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proxy_pass http://127.0.0.1:7860$request_uri;
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}
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location /health_check {
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proxy_pass http://127.0.0.1:7860$request_uri;
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}
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# primary app assets
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location ^~ /assets/ {
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alias /app/static/frontend-app/assets/;
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try_files $uri =404;
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add_header Cache-Control "public, max-age=31536000, immutable";
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}
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# catch-all -> flows app
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location / {
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root /app/static/frontend-app;
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add_header Cache-Control "no-cache, no-store, must-revalidate";
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add_header Pragma "no-cache";
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add_header Expires "0";
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try_files $uri $uri/ /index.html;
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}
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}

‎docker/nginx/nginx.conf‎

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user user;
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worker_processes auto;
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error_log /tmp/nginx.error.log warn;
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pid /tmp/nginx.pid;
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events {
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worker_connections 1024;
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}
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http {
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include /etc/nginx/mime.types;
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default_type application/octet-stream;
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sendfile on;
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keepalive_timeout 65;
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client_max_body_size 100M;
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access_log /tmp/nginx.access.log;
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include /etc/nginx/conf.d/*.conf;
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}

‎docker/supervisord.conf‎

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[supervisord]
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nodaemon=true
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logfile=/tmp/supervisord.log
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pidfile=/tmp/supervisord.pid
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[program:backend]
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command=/app/.venv/bin/langflow run
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autorestart=true
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startsecs=5
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redirect_stderr=true
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stdout_logfile=/dev/stdout
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stdout_logfile_maxbytes=0
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stderr_logfile=/dev/stderr
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stderr_logfile_maxbytes=0
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user=user
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environment=LANGFLOW_HOST="0.0.0.0",LANGFLOW_PORT="7860"
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[program:nginx]
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command=/usr/sbin/nginx -g "daemon off;"
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autorestart=true
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startsecs=0
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redirect_stderr=true
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stdout_logfile=/dev/stdout
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stdout_logfile_maxbytes=0
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stderr_logfile=/dev/stderr
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stderr_logfile_maxbytes=0

‎src/frontend-shell/index.html‎

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<!doctype html>
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<html lang="en">
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<head>
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<base href="/" />
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<meta charset="UTF-8" />
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<meta http-equiv="X-UA-Compatible" content="IE=edge" />
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<meta http-equiv="Cache-Control" content="no-cache, no-store, must-revalidate" />
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<meta http-equiv="Pragma" content="no-cache" />
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<meta http-equiv="Expires" content="0" />
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<link rel="icon" href="/visualaifavicon.png" />
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<link rel="manifest" href="/manifest.json" />
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<link rel="preconnect" href="https://fonts.googleapis.com" />
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<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />
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<link
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href="https://fonts.googleapis.com/css2?family=Chivo:ital,wght@0,100..900;1,100..900&family=Inter:ital,opsz,wght@0,14..32,100..900;1,14..32,100..900&family=JetBrains+Mono:ital,wght@0,100..800;1,100..800&display=swap"
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rel="stylesheet"
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/>
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<title>Visual AI Agents Builder</title>
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</head>
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<body id="body" class="dark" style="width: 100%; height: 100%">
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<noscript>You need to enable JavaScript to run this app.</noscript>
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<div style="width: 100vw; height: 100vh" id="root"></div>
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<script type="module" src="/src/main.tsx"></script>
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</body>
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</html>

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