63 lines
2.4 KiB
Docker
63 lines
2.4 KiB
Docker
# syntax=docker/dockerfile:1
|
|
|
|
# Comments are provided throughout this file to help you get started.
|
|
# If you need more help, visit the Dockerfile reference guide at
|
|
# https://docs.docker.com/engine/reference/builder/
|
|
|
|
################################################################################
|
|
# Create a stage for building the application.
|
|
|
|
ARG RUST_VERSION=1.71.0
|
|
ARG APP_NAME=mastodon-image-uploader-bot
|
|
FROM rust:${RUST_VERSION}-slim-bullseye AS build
|
|
ARG APP_NAME
|
|
WORKDIR /app
|
|
|
|
# Build the application.
|
|
# Leverage a cache mount to /usr/local/cargo/registry/
|
|
# for downloaded dependencies and a cache mount to /app/target/ for
|
|
# compiled dependencies which will speed up subsequent builds.
|
|
# Leverage a bind mount to the src directory to avoid having to copy the
|
|
# source code into the container. Once built, copy the executable to an
|
|
# output directory before the cache mounted /app/target is unmounted.
|
|
RUN --mount=type=bind,source=src,target=src \
|
|
--mount=type=bind,source=Cargo.toml,target=Cargo.toml \
|
|
--mount=type=bind,source=Cargo.lock,target=Cargo.lock \
|
|
--mount=type=cache,target=/app/target/ \
|
|
--mount=type=cache,target=/usr/local/cargo/registry/ \
|
|
<<EOF
|
|
set -e
|
|
cargo build --locked --release
|
|
cp ./target/release/$APP_NAME /bin/bot
|
|
EOF
|
|
|
|
################################################################################
|
|
# Create a new stage for running the application that contains the minimal
|
|
# runtime dependencies for the application. This often uses a different base
|
|
# image from the build stage where the necessary files are copied from the build
|
|
# stage.
|
|
#
|
|
# The example below uses the debian bullseye image as the foundation for running the app.
|
|
# By specifying the "bullseye-slim" tag, it will also use whatever happens to be the
|
|
# most recent version of that tag when you build your Dockerfile. If
|
|
# reproducability is important, consider using a digest
|
|
# (e.g., debian@sha256:ac707220fbd7b67fc19b112cee8170b41a9e97f703f588b2cdbbcdcecdd8af57).
|
|
FROM debian:bullseye-slim AS final
|
|
|
|
# Create a non-privileged user that the app will run under.
|
|
# See https://docs.docker.com/develop/develop-images/dockerfile_best-practices/#user
|
|
ARG UID=10001
|
|
RUN adduser \
|
|
--disabled-password \
|
|
--gecos "" \
|
|
--shell "/sbin/nologin" \
|
|
--uid "${UID}" \
|
|
botuser
|
|
USER botuser
|
|
|
|
# Copy the executable from the "build" stage.
|
|
COPY --from=build /bin/bot /bin/
|
|
|
|
# What the container should run when it is started.
|
|
CMD ["/bin/cd", "/bin/bot"]
|