Re-add accidently emptied dockerfile

joystream-node.Dockerfile

@@ -0,0 +1,49 @@
+FROM liuchong/rustup:1.47.0 AS rustup
+RUN rustup component add rustfmt clippy
+RUN rustup install nightly-2020-10-06 --force
+RUN rustup target add wasm32-unknown-unknown --toolchain nightly-2020-10-06
+RUN apt-get update && \
+  apt-get install -y curl git gcc xz-utils sudo pkg-config unzip clang libc6-dev-i386
+
+FROM rustup AS builder
+LABEL description="Compiles all workspace artifacts"
+WORKDIR /joystream
+COPY . /joystream
+
+# Build all cargo crates
+# Ensure our tests and linter pass before actual build
+ENV WASM_BUILD_TOOLCHAIN=nightly-2020-10-06
+ARG PROPOSALS_PARAMETERS
+ENV ALL_PROPOSALS_PARAMETERS_JSON=$PROPOSALS_PARAMETERS
+RUN BUILD_DUMMY_WASM_BINARY=1 cargo clippy --release --all -- -D warnings && \
+    cargo test --release --all && \
+    cargo build --release
+
+FROM debian:stretch
+LABEL description="Joystream node"
+WORKDIR /joystream
+COPY --from=builder /joystream/target/release/joystream-node /joystream/node
+COPY --from=builder /joystream/target/release/wbuild/joystream-node-runtime/joystream_node_runtime.compact.wasm /joystream/runtime.compact.wasm
+COPY --from=builder /joystream/target/release/chain-spec-builder /joystream/chain-spec-builder
+
+# confirm it works
+RUN /joystream/node --version
+
+# https://manpages.debian.org/stretch/coreutils/b2sum.1.en.html
+# RUN apt-get install coreutils
+# print the blake2 256 hash of the wasm blob
+RUN b2sum -l 256 /joystream/runtime.compact.wasm
+# print the blake2 512 hash of the wasm blob
+RUN b2sum -l 512 /joystream/runtime.compact.wasm
+
+EXPOSE 30333 9933 9944
+
+# Use these volumes to persits chain state and keystore, eg.:
+# --base-path /data
+# optionally separate keystore (otherwise it will be stored in the base path)
+# --keystore-path /keystore
+# if base-path isn't specified, chain state is stored inside container in ~/.local/share/joystream-node/
+# which is not ideal
+VOLUME ["/data", "/keystore"]
+
+ENTRYPOINT ["/joystream/node"]