Added the dockerfiles needed to create docker images out of the students' repositories and .dockerignore files

Author: alkaline-0

Docker-files/flask/.dockerignore

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+.idea/
+.vscode/
+
+*venv/
+__pycache__/
+
+Dockerfile
+
+.gitignore
+README.md
+.git/
+.github

Docker-files/flask/Dockerfile

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+FROM python:3.12.3-slim AS base
+# ------------------------ Initial image build ---------------------------
+FROM base AS build
+
+WORKDIR /usr/app
+
+RUN python -m venv /usr/app/venv
+ENV PATH="/usr/app/venv/bin:$PATH"
+
+COPY requirements.txt .
+RUN echo "gunicorn==20.0.4" >> requirements.txt
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+	      build-essential gcc && pip install -r requirements.txt
+
+# ------------------------ Production Build -------------------------------
+FROM base
+
+RUN groupadd -g 999 python && \
+    useradd -r -u 999 -g python python
+
+RUN mkdir /usr/app && chown python:python /usr/app
+
+WORKDIR /usr/app
+
+COPY --chown=python:python --from=build /usr/app/venv ./venv
+COPY --chown=python:python . .
+
+USER 999
+
+ENV PATH="/usr/app/venv/bin:$PATH"
+CMD [ "gunicorn", "--bind", "0.0.0.0:3000", "manage:app" ]

Docker-files/node-js/.dockerignore

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+dist-types
+node_modules
+dist
+build
+
+
+packages/*/dist
+packages/*/node_modules
+plugins/*/dist
+plugins/*/node_modules
+
+Dockerfile
+.dockerignore
+
+.git
+.github
+.gitignore

Docker-files/node-js/Dockerfile

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+FROM node:20.12.2-bullseye-slim AS base
+# ---------------------- Initial image build ---------------------
+FROM base AS build
+
+WORKDIR /usr/src/app
+
+COPY package*.json /usr/src/app/
+
+RUN apt-get update \
+&& apt-get install -y --no-install-recommends dumb-init \ 
+&& npm ci --only=production
+
+# ------------------------ Production Image ---------------------
+FROM base
+
+WORKDIR /usr/src/app
+
+ENV NODE_ENV production
+
+COPY --from=build /usr/bin/dumb-init /usr/bin/dumb-init
+
+USER node
+
+COPY --chown=node:node --from=build /usr/src/app/node_modules /usr/src/app/node_modules
+COPY --chown=node:node . /usr/src/app
+
+CMD ["dumb-init", "node", "server.js"]