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Dockerfile
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Dockerfile
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FROM alpine:3.13.2 AS builder
# Install all dependencies required for compiling busybox
RUN apk add gcc musl-dev make perl
# Download busybox sources
RUN wget https://busybox.net/downloads/busybox-1.35.0.tar.bz2 \
&& tar xf busybox-1.35.0.tar.bz2 \
&& mv /busybox-1.35.0 /busybox
WORKDIR /busybox
# Copy the busybox build config (limited to httpd)
COPY .config .
# Compile and install busybox
RUN make && make install
# Create a non-root user to own the files and run our server
RUN adduser -D static
# Switch to the scratch image
FROM scratch
EXPOSE 3000
# Copy over the user
COPY --from=builder /etc/passwd /etc/passwd
# Copy the busybox static binary
COPY --from=builder /busybox/_install/bin/busybox /
# Use our non-root user
USER static
WORKDIR /home/static
# Uploads a blank default httpd.conf
# This is only needed in order to set the `-c` argument in this base file
# and save the developer the need to override the CMD line in case they ever
# want to use a httpd.conf
COPY httpd.conf .
# Copy the static website
# Use the .dockerignore file to control what ends up inside the image!
# NOTE: Originally commented out since this will also copy the .config file
COPY /public .
# Run busybox httpd
CMD ["/busybox", "httpd", "-f", "-v", "-p", "3000", "-c", "httpd.conf"]