web: Prepare containers

web/backend/.gitignore

@@ -1 +1,2 @@
+TODO.md
 jobs

web/backend/Dockerfile

@@ -0,0 +1,16 @@
+# Use official Julia image as base
+FROM julia:1.11
+WORKDIR /app
+
+# Install project & dependencies
+COPY Project.toml /app/Backend/
+COPY src /app/Backend/src
+RUN julia --project=. -e 'using Pkg; Pkg.develop(path="Backend"); Pkg.add("HiGHS"); Pkg.precompile()'
+COPY docker/startup.jl ./
+
+# Set default environment variables
+ENV UCJL_HOST="0.0.0.0"
+ENV UCJL_PORT="9000"
+
+# Run the server
+CMD ["julia", "--project=.", "startup.jl"]

web/backend/Makefile

@@ -0,0 +1,5 @@
+docker-build:
+	docker build . -t ucjl-backend
+
+docker-run:
+	docker run --publish 9000:9000 --rm -it ucjl-backend

web/backend/docker/startup.jl

@@ -0,0 +1,30 @@
+#!/usr/bin/env julia
+
+# UnitCommitment.jl: Optimization Package for Security-Constrained Unit Commitment
+# Copyright (C) 2025, UChicago Argonne, LLC. All rights reserved.
+# Released under the modified BSD license. See COPYING.md for more details.
+
+# Load required packages
+using HiGHS
+using Backend
+
+const UCJL_HOST = get(ENV, "HOST", "0.0.0.0")
+const UCJL_PORT = parse(Int, get(ENV, "PORT", "9000"))
+
+println("Starting UnitCommitment Backend Server...")
+println("Host: $UCJL_HOST")
+println("Port: $UCJL_PORT")
+println("Press Ctrl+C to stop the server")
+
+server = Backend.start_server(UCJL_HOST, UCJL_PORT; optimizer = HiGHS.Optimizer)
+try
+    wait()
+catch e
+    if e isa InterruptException
+        println("\nShutting down server...")
+        Backend.stop(server)
+        println("Server stopped")
+    else
+        rethrow(e)
+    end
+end

web/backend/src/server.jl

@@ -54,9 +54,9 @@ function submit(req, processor::JobProcessor)
 end
 
 function jobs_view(req)
-    # Extract job_id from URL path /jobs/{job_id}/view
+    # Extract job_id from URL path /api/jobs/{job_id}/view
     path_parts = split(req.target, '/')
-    job_id = path_parts[3]  # /jobs/{job_id}/view -> index 3
+    job_id = path_parts[4]
 
     # Construct job directory path
     job_dir = joinpath(basedir, "jobs", job_id)
@@ -132,10 +132,10 @@ function start_server(host, port; optimizer)
     )
 
     # Register /submit endpoint
-    HTTP.register!(router, "POST", "/submit", req -> submit(req, processor))
+    HTTP.register!(router, "POST", "/api/submit", req -> submit(req, processor))
 
     # Register job/*/view endpoint
-    HTTP.register!(router, "GET", "/jobs/*/view", jobs_view)
+    HTTP.register!(router, "GET", "/api/jobs/*/view", jobs_view)
 
     server = HTTP.serve!(router, host, port; verbose = false)
     return ServerHandle(server, processor)

web/frontend/.env

@@ -1,2 +1,2 @@
 FAST_REFRESH=false
-REACT_APP_BACKEND_URL=http://localhost:9000
+REACT_APP_BACKEND_URL=http://localhost:9000/api

web/frontend/Dockerfile

@@ -1,13 +1,6 @@
-# Build Stage
-FROM node:18-alpine AS build
+FROM node:18-alpine
 WORKDIR /app
 COPY package*.json ./
 RUN npm install
 COPY . .
-RUN npm run build
- 
-# Production Stage
-FROM nginx:stable-alpine AS production
-COPY --from=build /app/build /usr/share/nginx/html
-EXPOSE 80
-CMD ["nginx", "-g", "daemon off;"]
+CMD ["npm", "start"]

web/frontend/Makefile

@@ -0,0 +1,5 @@
+docker-build:
+	docker build . -t ucjl-frontend
+
+docker-run:
+	docker run -e REACT_APP_BACKEND_URL=http://localhost:9000/api --publish 3000:3000 --rm -it ucjl-frontend