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Dockerfile-nginx-alpine
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Dockerfile-nginx-alpine
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# Multistage build to reduce image size and increase security
FROM node:16-alpine AS build
# Install requirements to clone repository and install deps
RUN apk add --no-cache git \
&& npm install -g bower
# Get cryptpad from repository submodule
COPY cryptpad /cryptpad
WORKDIR /cryptpad
# Install dependencies
RUN npm install --production \
&& npm install -g bower \
&& bower install --allow-root
# Create actual cryptpad image
FROM node:16-alpine
RUN set -x \
# Create users and groups for nginx and cryptpad
&& addgroup -g 4001 -S cryptpad \
&& adduser -u 4001 -S -D -G cryptpad -H -h /dev/null cryptpad \
\
# Create needed dir for nginx pid
&& mkdir -p /var/run/nginx \
\
# Install packages
&& apk add supervisor nginx openssl zlib pcre \
&& rm -rf /etc/nginx
# Copy nginx conf from official image
COPY --from=nginx:latest /etc/nginx /etc/nginx
# Disable server tokens
RUN sed -i "/default_type/a \\ server_tokens off;" /etc/nginx/nginx.conf
# Copy cryptpad with installed modules
COPY --from=build --chown=cryptpad /cryptpad /cryptpad
# Copy supervisord conf file
COPY supervisord.conf /etc/supervisord.conf
# Copy docker-entrypoint.sh script
COPY docker-entrypoint.sh /docker-entrypoint.sh
# Set workdir to cryptpad
WORKDIR /cryptpad
# Create directories
RUN mkdir blob block customize data datastore \
&& chown cryptpad:cryptpad blob block customize data datastore
# Volumes for data persistence
VOLUME /cryptpad/blob \
/cryptpad/block \
/cryptpad/customize \
/cryptpad/data \
/cryptpad/datastore
# Ports
EXPOSE 80 443
ENTRYPOINT ["/bin/sh", "/docker-entrypoint.sh"]
CMD ["/usr/bin/supervisord", "-n", "-c", "/etc/supervisord.conf"]