feat(docker): add one-command Dockerfile

This adds a simple Dockerfile for anyone to just `docker build .` and
get a Docker image. This Dockerfile is optimized for human consumption,
not for build performance.

Dockerfile

@@ -0,0 +1,51 @@
+#syntax=docker/dockerfile:1.2
+FROM rust:slim-buster AS build
+
+# Build flatbuffers, a dependency of influxdb_iox
+ARG flatbuffers_version="v1.12.0"
+RUN apt-get update \
+  && apt-get install -y \
+    git make clang cmake llvm libssl-dev pkg-config \
+    --no-install-recommends \
+  && git clone -b ${flatbuffers_version} -- https://github.com/google/flatbuffers.git /usr/local/src/flatbuffers \
+  && cmake -S /usr/local/src/flatbuffers -B /usr/local/src/flatbuffers \
+    -G "Unix Makefiles" \
+    -DCMAKE_BUILD_TYPE=Release \
+  && make -C /usr/local/src/flatbuffers -j $(nproc) flatc \
+  && ln /usr/local/src/flatbuffers/flatc /usr/bin/flatc
+
+# Build influxdb_iox
+COPY . /influxdb_iox
+WORKDIR /influxdb_iox
+RUN \
+  --mount=type=cache,id=influxdb_iox_rustup,sharing=locked,target=/usr/local/rustup \
+  rustup component add rustfmt
+RUN \
+  --mount=type=cache,id=influxdb_iox_rustup,sharing=locked,target=/usr/local/rustup \
+  --mount=type=cache,id=influxdb_iox_registry,sharing=locked,target=/usr/local/cargo/registry \
+  --mount=type=cache,id=influxdb_iox_git,sharing=locked,target=/usr/local/cargo/git \
+  --mount=type=cache,id=influxdb_iox_target,sharing=locked,target=/influxdb_iox/target \
+  du -cshx /usr/local/rustup /usr/local/cargo/registry /usr/local/cargo/git /influxdb_iox/target && \
+  cargo build --target-dir /influxdb_iox/target --release && \
+  cp /influxdb_iox/target/release/influxdb_iox /root/influxdb_iox && \
+  du -cshx /usr/local/rustup /usr/local/cargo/registry /usr/local/cargo/git /influxdb_iox/target
+
+FROM debian:buster-slim
+
+RUN apt-get update \
+    && apt-get install -y libssl1.1 libgcc1 libc6 --no-install-recommends \
+	&& rm -rf /var/lib/{apt,dpkg,cache,log}
+
+RUN groupadd -g 1500 rust \
+  && useradd -u 1500 -g rust -s /bin/bash -m rust
+
+USER rust
+
+RUN mkdir ~/.influxdb_iox
+RUN ls -la ~/.influxdb_iox
+
+COPY --from=build /root/influxdb_iox /usr/bin/influxdb_iox
+
+EXPOSE 8080 8082
+
+ENTRYPOINT ["/usr/bin/influxdb_iox"]

Dockerfile.dockerignore

@@ -0,0 +1,4 @@
+.*/
+target/
+tests/
+docker/

README.md

@@ -31,6 +31,18 @@ We're also hosting monthly tech talks and community office hours on the project
 To compile and run InfluxDB IOx from source, you'll need a Rust compiler and a `flatc` FlatBuffers
 compiler.
 
+### Build a Docker Image
+
+To build a Docker image in one command:
+```
+docker build .
+```
+
+To enable caching, and to respect `Dockerfile.dockerignore`, we strongly suggest that you [enable BuildKit](https://docs.docker.com/develop/develop-images/build_enhancements/#to-enable-buildkit-builds).
+- Use Docker version 18.09 or later
+- Enable BuildKit by default by setting `{ "features": { "buildkit": true } }`
+  - ...or run `docker build .` with env var `DOCKER_BUILDKIT=1`
+
 ### Cloning the Repository
 
 Using `git`, check out the code by cloning this repository. If you use the `git` command line, this

docker/Dockerfile.ci

@@ -12,12 +12,13 @@
 # Build any binaries that can be copied into the CI image
 # Note we build flatbuffers from source (pinned to a particualar version)
 FROM rust:slim-buster AS flatc
+ARG flatbuffers_version="v1.12.0"
 RUN apt-get update \
   && mkdir -p /usr/share/man/man1 \
   && apt-get install -y \
     git make clang cmake llvm \
     --no-install-recommends \
-  && git clone -b v1.12.0 -- https://github.com/google/flatbuffers.git /usr/local/src/flatbuffers \
+  && git clone -b ${flatbuffers_version} -- https://github.com/google/flatbuffers.git /usr/local/src/flatbuffers \
   && cmake -S /usr/local/src/flatbuffers -B /usr/local/src/flatbuffers \
     -G "Unix Makefiles" \
     -DCMAKE_BUILD_TYPE=Release \

docker/Dockerfile.ci.dockerignore

@@ -0,0 +1,2 @@
+# Ignore everything
+**