Dockerfile

# syntax = docker/dockerfile:1.0-experimental
FROM node:14.7.0 as ui

# Set version args from CMD input
ARG PREFECT_VERSION=development
ENV PREFECT_VERSION=$PREFECT_VERSION

# Write the arg into the .env file
RUN echo "VUE_APP_PREFECT_VERSION=${PREFECT_VERSION}" >> .env

# Move application files to the app directory
COPY ./ /app
COPY ./LICENSE LICENSE

# Switch to the app directory
WORKDIR /app

# Install dependencies
RUN npm ci

# Build static files
RUN npm run build

FROM nginx:stable

# Copy the previously built static files to the nginx container
COPY --from=ui /app/dist /var/www

# Replace the default nginx config
# with the one we've defined here
COPY ./nginx.conf /etc/nginx/conf.d/default.conf


# Copy and allow all users to execute both the script to start the server
# and the script that intercepts termination requests
COPY ./start_server.sh /start_server.sh
RUN chmod a+x /start_server.sh

COPY ./intercept.sh /intercept.sh
RUN chmod a+x /intercept.sh

# Allow write access to www to ensure we can set the configuration file.
# This is to enable rootless mode
ARG UID=101
ARG GID=101

RUN sed -i 's,listen       80;,listen       8080;,' /etc/nginx/conf.d/default.conf \
    && sed -i '/user  nginx;/d' /etc/nginx/nginx.conf \
    && sed -i 's,/var/run/nginx.pid,/tmp/nginx.pid,' /etc/nginx/nginx.conf \
    && sed -i "/^http {/a \    proxy_temp_path /tmp/proxy_temp;\n    client_body_temp_path /tmp/client_temp;\n    fastcgi_temp_path /tmp/fastcgi_temp;\n    uwsgi_temp_path /tmp/uwsgi_temp;\n    scgi_temp_path /tmp/scgi_temp;\n" /etc/nginx/nginx.conf

RUN chown -R $UID:0 /var/cache/nginx \
    && chmod -R g+w /var/cache/nginx \
    && chown -R $UID:0 /etc/nginx \
    && chmod -R g+w /etc/nginx \
    && chown -R $UID:0 /var/www \
    && chmod -R g+w /var/www

USER $UID

STOPSIGNAL SIGINT

CMD ["/intercept.sh"]