624ff08a07
The image builds as is, but running it exits with: standard_init_linux.go:211: exec user process caused "no such file or directory"
106 lines
3.5 KiB
Docker
106 lines
3.5 KiB
Docker
# Using multistage build:
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# https://docs.docker.com/develop/develop-images/multistage-build/
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# https://whitfin.io/speeding-up-rust-docker-builds/
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########################## BUILD IMAGE ##########################
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# Musl build image to build Conduits statically compiled binary
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FROM rustlang/rust:nightly-alpine3.12 as builder
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# Don't download Rust docs
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RUN rustup set profile minimal
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ENV USER "conduit"
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#ENV RUSTFLAGS='-C link-arg=-s'
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# Install packages needed for building all crates
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RUN apk add --no-cache \
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musl-dev \
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openssl-dev \
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pkgconf
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# Create dummy project to fetch all dependencies.
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# Rebuilds are a lot faster when there are no changes in the
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# dependencies.
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RUN cargo new --bin /app
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WORKDIR /app
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# Copy cargo files which specify needed dependencies
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COPY ./Cargo.* ./
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# Add musl target, as we want to run your project in
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# an alpine linux image
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RUN rustup target add x86_64-unknown-linux-musl
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# Build dependencies and remove dummy project, except
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# target folder, as it contains the dependencies
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RUN cargo build --release --color=always ; \
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find . -not -path "./target*" -delete
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# Now copy and build the real project with the pre-built
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# dependencies.
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COPY . .
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RUN cargo build --release --color=always
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########################## RUNTIME IMAGE ##########################
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# Create new stage with a minimal image for the actual
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# runtime image/container
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FROM alpine:3.12
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ARG BUILD_DATE
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ARG VERSION
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ARG GIT_REF=HEAD
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# Labels inspired by this medium post:
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# https://medium.com/@chamilad/lets-make-your-docker-image-better-than-90-of-existing-ones-8b1e5de950d
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LABEL org.label-schema.build-date=${BUILD_DATE} \
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org.label-schema.name="Conduit" \
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org.label-schema.version=${VERSION} \
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org.label-schema.vendor="Conduit Authors" \
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org.label-schema.description="A Matrix homeserver written in Rust" \
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org.label-schema.url="https://conduit.rs/" \
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org.label-schema.vcs-ref=$GIT_REF \
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org.label-schema.vcs-url="https://git.koesters.xyz/timo/conduit.git" \
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ord.label-schema.docker.build="docker build . -t conduit:latest --build-arg BUILD_DATE=$(date -u +'%Y-%m-%dT%H:%M:%SZ') --build-arg VERSION=$(grep -m1 -o '[0-9].[0-9].[0-9]' Cargo.toml)"\
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maintainer="weasy@hotmail.de"
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# Change some Rocket.rs default configs. They can then
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# be changed to different values using env variables.
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ENV ROCKET_CLI_COLORS="on"
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#ENV ROCKET_SERVER_NAME="conduit.rs"
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ENV ROCKET_ENV="production"
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ENV ROCKET_ADDRESS=0.0.0.0
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ENV ROCKET_PORT=14004
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ENV ROCKET_LOG="normal"
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ENV ROCKET_DATABASE_PATH="/data/sled"
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ENV ROCKET_REGISTRATION_DISABLED="true"
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#ENV ROCKET_WORKERS=10
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EXPOSE 14004
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# Copy config files from context and the binary from
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# the "builder" stage to the current stage into folder
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# /srv/conduit and create data folder for database
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RUN mkdir -p /srv/conduit /data/sled
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COPY --from=builder /app/target/release/conduit ./srv/conduit/
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# Add www-data user and group with UID 82, as used by alpine
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# https://git.alpinelinux.org/aports/tree/main/nginx/nginx.pre-install
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RUN set -x ; \
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addgroup -Sg 82 www-data 2>/dev/null ; \
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adduser -S -D -H -h /srv/conduit -G www-data -g www-data www-data 2>/dev/null ; \
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addgroup www-data www-data 2>/dev/null && exit 0 ; exit 1
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# Change ownership of Conduit files to www-data user and group
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RUN chown -cR www-data:www-data /srv/conduit /data
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VOLUME /data
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RUN apk add --no-cache \
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ca-certificates
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# Set user to www-data
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USER www-data
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WORKDIR /srv/conduit
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ENTRYPOINT [ "/srv/conduit/conduit" ]
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