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@ -14,9 +14,14 @@ FROM docker.io/alpine:3.15.0 AS runner
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# You still need to map the port when using the docker command or docker-compose.
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EXPOSE 6167
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# Note from @jfowl: I would like to remove the config file in the future and just have the Docker version be configured with envs.
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ENV CONDUIT_CONFIG="/srv/conduit/conduit.toml" \
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CONDUIT_PORT=6167
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# Users are expected to mount a volume to this directory:
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ARG DEFAULT_DB_PATH=/var/lib/matrix-conduit
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ENV CONDUIT_PORT=6167 \
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CONDUIT_ADDRESS="0.0.0.0" \
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CONDUIT_DATABASE_PATH=${DEFAULT_DB_PATH} \
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CONDUIT_CONFIG=''
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# └─> Set no config file to do all configuration with env vars
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# Conduit needs:
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# ca-certificates: for https
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@ -25,7 +30,6 @@ RUN apk add --no-cache \
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ca-certificates \
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iproute2
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ARG CREATED
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ARG VERSION
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ARG GIT_REF
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@ -45,36 +49,36 @@ LABEL org.opencontainers.image.created=${CREATED} \
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org.opencontainers.image.ref.name=""
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# Created directory for the database and media files
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RUN mkdir -p /srv/conduit/.local/share/conduit
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RUN mkdir -p ${DEFAULT_DB_PATH}
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# Test if Conduit is still alive, uses the same endpoint as Element
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COPY ./docker/healthcheck.sh /srv/conduit/healthcheck.sh
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HEALTHCHECK --start-period=5s --interval=5s CMD ./healthcheck.sh
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# Depending on the target platform (e.g. "linux/arm/v7", "linux/arm64/v8", or "linux/amd64")
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# copy the matching binary into this docker image
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ARG TARGETPLATFORM
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COPY ./$TARGETPLATFORM /srv/conduit/conduit
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# Improve security: Don't run stuff as root, that does not need to run as root:
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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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# Most distros also use 1000:1000 for the first real user, so this should resolve volume mounting problems.
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ARG USER_ID=1000
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ARG GROUP_ID=1000
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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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deluser --remove-home www-data ; \
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addgroup -S -g ${GROUP_ID} conduit 2>/dev/null ; \
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adduser -S -u ${USER_ID} -D -H -h /srv/conduit -G conduit -g conduit conduit 2>/dev/null ; \
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addgroup conduit conduit 2>/dev/null && exit 0 ; exit 1
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# Change ownership of Conduit files to www-data user and group
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RUN chown -cR www-data:www-data /srv/conduit
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RUN chmod +x /srv/conduit/healthcheck.sh
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# Change ownership of Conduit files to conduit user and group
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RUN chown -cR conduit:conduit /srv/conduit && \
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chmod +x /srv/conduit/healthcheck.sh
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# Change user to www-data
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USER www-data
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# Change user to conduit
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USER conduit
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# Set container home directory
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WORKDIR /srv/conduit
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# Run Conduit and print backtraces on panics
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ENV RUST_BACKTRACE=1
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ENTRYPOINT [ "/srv/conduit/conduit" ]
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# Depending on the target platform (e.g. "linux/arm/v7", "linux/arm64/v8", or "linux/amd64")
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# copy the matching binary into this docker image
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ARG TARGETPLATFORM
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COPY --chown=conduit:conduit ./$TARGETPLATFORM /srv/conduit/conduit
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