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FROM alpine:latest as tor-build-stage
# Install prerequisites, grab tor, compile it and move to /usr/local
RUN apk --no-cache add --update \
gnupg \
build-base \
libevent \
libevent-dev \
libressl \
libressl-dev \
xz-libs \
xz-dev \
zlib \
zlib-dev \
zstd \
zstd-dev \
&& wget -q https://dist.torproject.org/tor-0.4.6.6.tar.gz \
&& tar xf tor-0.4.6.6.tar.gz \
&& cd tor-0.4.6.6 \
&& ./configure \
&& make install \
&& ls -R /usr/local/
FROM golang:alpine as cwtch-build-stage
# Need additional packages for cgo etc
RUN apk --no-cache add --update gcc build-base
# Copy source files from the repo to /go/src
COPY . src/
#Build Cwtch
RUN cd src/app && go build
FROM alpine:latest
#Specify various env vars
ENV TOR_USER=_tor CWTCH_USER=_cwtch CWTCH_HOME=/var/lib/cwtch
# Installing dependencies of Tor
RUN apk --no-cache add --update \
libevent \
libressl \
xz-libs \
zlib \
zstd \
zstd-dev
# Copy Tor
COPY --from=tor-build-stage /usr/local/ /usr/local/
#Copy cwtch app
COPY --from=cwtch-build-stage /go/src/app/app /usr/local/bin/cwtch
# Create unprivileged users
RUN mkdir -p /run/tor && mkdir /var/lib/cwtch && addgroup -S $TOR_USER && adduser -G $TOR_USER -S $TOR_USER && adduser -S $CWTCH_USER
# Copy Tor configuration file
COPY ./docker/torrc /etc/tor/torrc
# Copy docker-entrypoint
COPY ./docker/docker-entrypoint /usr/local/bin/
# Persist data
VOLUME /etc/tor /var/lib/tor /var/lib/cwtch
ENTRYPOINT ["docker-entrypoint"]
CMD ["/usr/local/bin/cwtch","--exportServerBundle"]