Add Docker support (Dockerfile + docker-compose.yml)#513
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Closes cs01#474 — adds a baseline Docker environment as requested. Changes: - Multi-stage Dockerfile: Node 20 builds the React/Webpack frontend, Python 3.13-slim runs the gdbgui server. Keeps the final image small. - libstdc++ pretty-printers wired up via .gdbinit so STL containers display correctly in GDB (fixes sys.path for python:3.13-slim layout). - `set breakpoint pending on` in .gdbinit so pending breakpoints resolve after the binary loads inside the container. - docker-compose.yml grants SYS_PTRACE (required by GDB) and uses seccomp:unconfined for full ptrace compatibility. - .dockerignore excludes node_modules and build artifacts. Note: Webpack 4 + Node 17+ conflict — NODE_OPTIONS rejects --openssl-legacy-provider. Worked around by invoking webpack directly through `node --openssl-legacy-provider`. Upgrading to Webpack 5 would be a cleaner long-term fix. Quick start: docker-compose up --build open http://localhost:5000 Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Summary
Closes #474 — adds a baseline Docker environment as requested.
.gdbinitso STL containers display correctly in GDB (fixessys.pathfor thepython:3.13-slimlayout).set breakpoint pending onin.gdbinitso pending breakpoints resolve after the binary loads.SYS_PTRACE(required by GDB) and usesseccomp:unconfinedfor full ptrace compatibility.node_modulesand build artifacts.Quick start
docker-compose up --build # open http://localhost:5000Notes
Webpack 4 + Node 17+ incompatibility:
cross-env NODE_OPTIONS=--openssl-legacy-provideris rejected by Node 17+. Worked around by invoking webpack directly throughnode --openssl-legacy-provider ...in the Dockerfile. Upgrading to Webpack 5 would be a cleaner long-term fix but is out of scope for this PR.Test plan
docker-compose up --buildsucceedshttp://localhost:5000loads the gdbgui UIstd::vector<int>shows{1, 2, 3}instead of a raw pointer)