webex/duck-finder

duck-finder/.gitignore

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+!server.zip

duck-finder/Dockerfile

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+FROM node:20-bookworm
+
+RUN useradd -m -d /home/ctf ctf
+
+USER ctf
+
+RUN bash -c "curl -fsSL https://deno.land/x/install/install.sh | sh"
+
+WORKDIR /home/ctf/app
+
+COPY --chown=ctf:ctf ./entrypoint ./entrypoint
+COPY --chown=ctf:ctf ./server ./server
+COPY --chown=ctf:ctf ./flag.txt .
+
+WORKDIR /home/ctf/app/entrypoint
+
+RUN npm ci
+
+ENV PATH "${PATH}:/home/ctf/.deno/bin"
+ENV NODE_ENV production
+
+EXPOSE 3000
+
+ENTRYPOINT ["npm", "start"]

duck-finder/chall.yaml

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+name: Duck Finder
+categories:
+  - webex
+value: 75
+flag:
+  file: ./flag.txt
+description: |-
+  This old service lets you make some interesting queries.
+  It hasn't been updated in a while, though.
+files:
+  - src: ./server.zip
+deploy:
+  web:
+    build: .
+    expose: 3000/tcp
+authors:
+  - Thomas
+visible: true