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Update Dockerfile (#43)

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Updates the Dockerfile with changes suggested by @GWnbsp  in https://github.com/Lissy93/web-check/issues/43#issuecomment-1719212234

### Summary of Changes
1. **ARG Statements:** Introduced `ARG` statements for Node.js and Debian versions, making the Dockerfile more customizable.
2. **SHELL Command:** Changed the default shell to Bash with certain options enabled, improving robustness.
3. **Chromium Installation:** Updated Chromium installation to use Google's signing keys and repositories, aiming for more secure and up-to-date packages.
4. **Chromium Version:** Added a step to save Chromium's version into `/etc/chromium-version` for reference.
5. **Directory Creation:** Added a new directory /app/data in the container's filesystem.
6. **CMD Change:** Changed the CMD to start Node.js server (server.js) instead of using yarn serve.
7. **General Cleanup and Comments:** Code has been refactored for better readability and detailed comments have been added for clarity.
8. **Dependency Installation:** Kept yarn install and the removal of the Yarn cache, but the command is more streamlined.
9. **Other Minor Changes:**
  - Added flags like `-qq` and `--no-install-recommends` for quieter and optimized installation.
  - Enhanced cleanup with `rm -rf /var/lib/apt/lists/*.`
This commit is contained in:
Alicia Sykes 2023-09-14 20:59:09 +01:00 committed by GitHub
parent f36ac56370
commit a6711aeb63
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1 changed files with 33 additions and 8 deletions
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Dockerfile
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@ -1,23 +1,48 @@
FROM node:16-buster-slim
# Specify the Node.js version to use
ARG NODE_VERSION=16
RUN apt-get update && \
apt-get install -y chromium traceroute && \
chmod 755 /usr/bin/chromium && \
rm -rf /var/lib/apt/lists/*
# Specify the Debian version to use, the default is "bullseye"
ARG DEBIAN_VERSION=bullseye
# Use Node.js Docker image as the base image, with specific Node and Debian versions
FROM docker.io/library/node:${NODE_VERSION}-${DEBIAN_VERSION}
# Set the container's default shell to Bash and enable some options
SHELL ["/bin/bash", "-euo", "pipefail", "-c"]
# Install Chromium browser and Download and verify Google Chrome’s signing key
RUN apt-get update -qq --fix-missing && \
apt-get -qqy install --allow-unauthenticated gnupg wget && \
wget --quiet --output-document=- https://dl-ssl.google.com/linux/linux_signing_key.pub | gpg --dearmor > /etc/apt/trusted.gpg.d/google-archive.gpg && \
echo "deb [arch=amd64] http://dl.google.com/linux/chrome/deb/ stable main" > /etc/apt/sources.list.d/google.list && \
apt-get update -qq && \
apt-get -qqy --no-install-recommends install chromium traceroute && \
rm -rf /var/lib/apt/lists/*
# Run the Chromium browser's version command and redirect its output to the /etc/chromium-version file
RUN /usr/bin/chromium --no-sandbox --version > /etc/chromium-version
# Set the working directory to /app
WORKDIR /app
# Copy package.json and yarn.lock to the working directory
COPY package.json yarn.lock ./
RUN yarn install && \
rm -rf /app/node_modules/.cache
# Run yarn install to install dependencies and clear yarn cache
RUN yarn install && rm -rf /app/node_modules/.cache
# Copy all files to working directory
COPY . .
RUN mkdir /app/data
# Run yarn build to build the application
RUN yarn build
# Exposed container port, the default is 3000, which can be modified through the environment variable PORT
EXPOSE ${PORT:-3000}
# Set the environment variable CHROME_PATH to specify the path to the Chromium binaries
ENV CHROME_PATH='/usr/bin/chromium'
CMD ["yarn", "serve"]
# Define the command executed when the container starts and start the server.js of the Node.js application
CMD [ "node", "server.js" ]