Gab Social. All are welcome.

Dockerfile

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+FROM ubuntu:18.04 as build-dep
+
+# Use bash for the shell
+SHELL ["bash", "-c"]
+
+# Install Node
+ENV NODE_VER="10.15.3"
+RUN	echo "Etc/UTC" > /etc/localtime && \
+	apt update && \
+	apt -y dist-upgrade && \
+	apt -y install wget make gcc g++ python && \
+	cd ~ && \
+	wget https://nodejs.org/download/release/v$NODE_VER/node-v$NODE_VER.tar.gz && \
+	tar xf node-v$NODE_VER.tar.gz && \
+	cd node-v$NODE_VER && \
+	./configure --prefix=/opt/node && \
+	make -j$(nproc) > /dev/null && \
+	make install
+
+# Install jemalloc
+ENV JE_VER="5.1.0"
+RUN apt update && \
+	apt -y install autoconf && \
+	cd ~ && \
+	wget https://github.com/jemalloc/jemalloc/archive/$JE_VER.tar.gz && \
+	tar xf $JE_VER.tar.gz && \
+	cd jemalloc-$JE_VER && \
+	./autogen.sh && \
+	./configure --prefix=/opt/jemalloc && \
+	make -j$(nproc) > /dev/null && \
+	make install_bin install_include install_lib
+
+# Install ruby
+ENV RUBY_VER="2.6.1"
+ENV CPPFLAGS="-I/opt/jemalloc/include"
+ENV LDFLAGS="-L/opt/jemalloc/lib/"
+RUN apt update && \
+	apt -y install build-essential \
+		bison libyaml-dev libgdbm-dev libreadline-dev \
+		libncurses5-dev libffi-dev zlib1g-dev libssl-dev && \
+	cd ~ && \
+	wget https://cache.ruby-lang.org/pub/ruby/${RUBY_VER%.*}/ruby-$RUBY_VER.tar.gz && \
+	tar xf ruby-$RUBY_VER.tar.gz && \
+	cd ruby-$RUBY_VER && \
+	./configure --prefix=/opt/ruby \
+	  --with-jemalloc \
+	  --with-shared \
+	  --disable-install-doc && \
+	ln -s /opt/jemalloc/lib/* /usr/lib/ && \
+	make -j$(nproc) > /dev/null && \
+	make install
+
+ENV PATH="${PATH}:/opt/ruby/bin:/opt/node/bin"
+
+RUN npm install -g yarn && \
+	gem install bundler && \
+	apt update && \
+	apt -y install git libicu-dev libidn11-dev \
+	libpq-dev libprotobuf-dev protobuf-compiler
+
+COPY Gemfile* package.json yarn.lock /opt/gabsocial/
+
+RUN cd /opt/gabsocial && \
+	bundle install -j$(nproc) --deployment --without development test && \
+	yarn install --pure-lockfile
+
+FROM ubuntu:18.04
+
+# Copy over all the langs needed for runtime
+COPY --from=build-dep /opt/node /opt/node
+COPY --from=build-dep /opt/ruby /opt/ruby
+COPY --from=build-dep /opt/jemalloc /opt/jemalloc
+
+# Add more PATHs to the PATH
+ENV PATH="${PATH}:/opt/ruby/bin:/opt/node/bin:/opt/gabsocial/bin"
+
+# Create the gabsocial user
+ARG UID=991
+ARG GID=991
+RUN apt update && \
+	echo "Etc/UTC" > /etc/localtime && \
+	ln -s /opt/jemalloc/lib/* /usr/lib/ && \
+	apt -y dist-upgrade && \
+	apt install -y whois wget && \
+	addgroup --gid $GID gabsocial && \
+	useradd -m -u $UID -g $GID -d /opt/gabsocial gabsocial && \
+	echo "gabsocial:`head /dev/urandom | tr -dc A-Za-z0-9 | head -c 24 | mkpasswd -s -m sha-256`" | chpasswd
+
+# Install masto runtime deps
+RUN apt -y --no-install-recommends install \
+	  libssl1.1 libpq5 imagemagick ffmpeg \
+	  libicu60 libprotobuf10 libidn11 libyaml-0-2 \
+	  file ca-certificates tzdata libreadline7 && \
+	apt -y install gcc && \
+	ln -s /opt/gabsocial /gabsocial && \
+	gem install bundler && \
+	rm -rf /var/cache && \
+	rm -rf /var/lib/apt/lists/*
+
+# Add tini
+ENV TINI_VERSION="0.18.0"
+ENV TINI_SUM="12d20136605531b09a2c2dac02ccee85e1b874eb322ef6baf7561cd93f93c855"
+ADD https://github.com/krallin/tini/releases/download/v${TINI_VERSION}/tini /tini
+RUN echo "$TINI_SUM tini" | sha256sum -c -
+RUN chmod +x /tini
+
+# Copy over masto source, and dependencies from building, and set permissions
+COPY --chown=gabsocial:gabsocial . /opt/gabsocial
+COPY --from=build-dep --chown=gabsocial:gabsocial /opt/gabsocial /opt/gabsocial
+
+# Run masto services in prod mode
+ENV RAILS_ENV="production"
+ENV NODE_ENV="production"
+
+# Tell rails to serve static files
+ENV RAILS_SERVE_STATIC_FILES="true"
+
+# Set the run user
+USER gabsocial
+
+# Precompile assets
+RUN cd ~ && \
+	OTP_SECRET=precompile_placeholder SECRET_KEY_BASE=precompile_placeholder rails assets:precompile && \
+	yarn cache clean
+
+# Set the work dir and the container entry point
+WORKDIR /opt/gabsocial
+ENTRYPOINT ["/tini", "--"]