68 lines
1.6 KiB
Docker
68 lines
1.6 KiB
Docker
# Global build argument
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ARG THTTPD_VER=2.29
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ARG DI_VER=1.2.5
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FROM alpine:3 AS builder
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# =====BUILD BINARIES=====
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WORKDIR /usr/src
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ARG THTTPD_VER
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ARG DI_VER
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# Install build dependencies
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# bash: required for dumb-init's Makefile
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# clang, build-base: compilation (I just like clang)
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# curl: downloading the tarballs
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# hugo: generating the static files
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RUN apk add --update --no-cache \
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bash \
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build-base \
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clang \
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curl \
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hugo \
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musl-dev
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# Build thttpd
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RUN curl -sSL "https://www.acme.com/software/thttpd/thttpd-$THTTPD_VER.tar.gz" | \
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tar xzf - && \
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cd "thttpd-$THTTPD_VER" && \
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CC=clang ./configure && \
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make CCOPT="-O3 -s -static" -j$(nproc)
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# Build dumb-init
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# dumb-init's Makefile already specifies static build flags, so we don't have to specify them
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RUN curl -sSL "https://github.com/Yelp/dumb-init/archive/refs/tags/v$DI_VER.tar.gz" | \
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tar xzf - && \
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cd "dumb-init-$DI_VER" && \
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CC=clang make build
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# =====BUILD BLOG=====
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WORKDIR /usr/src/app
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# Copy site files for building
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COPY . ./
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# Generate the site
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# The find command fixes file permissions, because thttpd thinks executables should be CGI files
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RUN hugo --minify && \
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find public -type f -exec chmod 644 {} \;
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# ====CREATE RELEASE IMAGE====
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FROM scratch
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ARG THTTPD_VER
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ARG DI_VER
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# Copy over binary & static files
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COPY --from=builder /usr/src/thttpd-$THTTPD_VER/thttpd /bin/thttpd
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COPY --from=builder /usr/src/dumb-init-$DI_VER/dumb-init /bin/dumb-init
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COPY --from=builder /usr/src/app/public /static
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# A static file server doesn't need root
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USER 82:82
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ENTRYPOINT [ "/bin/dumb-init", "--" ]
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CMD [ "/bin/thttpd", "-D", "-d", "/static", "-p", "8080" ]
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