AlexBa16
62 lines
1.9 KiB
Markdown
62 lines
1.9 KiB
Markdown
# Using Alpine Linux Instead of Debian
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By default, Symfony Docker uses Debian-based FrankenPHP Docker images.
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This is the recommended solution.
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Alternatively, it's possible to use Alpine-based images, which are smaller but
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are known to be slower, and have several known issues.
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To switch to Alpine-based images, apply the following changes to the `Dockerfile`:
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<!-- markdownlint-disable MD010 -->
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```diff
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-FROM dunglas/frankenphp:1-php8.5 AS frankenphp_upstream
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+FROM dunglas/frankenphp:1-php8.5-alpine AS frankenphp_upstream
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-SHELL ["/bin/bash", "-euxo", "pipefail", "-c"]
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+SHELL ["/bin/ash", "-euxo", "-c"]
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-# hadolint ignore=DL3008
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-RUN <<-EOF
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- apt-get update
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- apt-get install -y --no-install-recommends \
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- file \
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- git
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+# hadolint ignore=DL3018
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+RUN <<-EOF
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+ apk add --no-cache \
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+ file \
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+ git
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install-php-extensions \
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-# hadolint ignore=DL3008,SC3054,DL4006
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-RUN <<-'EOF'
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- apt-get update
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- apt-get install -y --no-install-recommends libtree
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+# hadolint ignore=DL3018,SC3054,DL4006
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+RUN <<-'EOF'
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+ apk add --no-cache libtree
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mkdir -p /tmp/libs
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- BINARIES=(frankenphp php file)
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- for target in $(printf '%s\n' "${BINARIES[@]}" | xargs -I{} which {}) \
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+ BINARIES="frankenphp php file"
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+ for target in $(printf '%s\n' $BINARIES | xargs -I{} which {}) \
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- libtree -pv "$target" 2>/dev/null | grep -oP '(?:── )\K/\S+(?= \[)' | while IFS= read -r lib; do
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+ libtree -pv "$target" 2>/dev/null | sed -n 's/.*── \(\/[^ ]*\) \[.*/\1/p' | while IFS= read -r lib; do
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- rm -rf /var/lib/apt/lists/*
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-FROM debian:13-slim AS frankenphp_prod
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+FROM alpine:3 AS frankenphp_prod
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-SHELL ["/bin/bash", "-euxo", "pipefail", "-c"]
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+SHELL ["/bin/ash", "-euxo", "-c"]
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-COPY --from=frankenphp_prod_builder /usr/lib/file/magic.mgc /usr/lib/file/magic.mgc
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+COPY --from=frankenphp_prod_builder /usr/share/misc/magic.mgc /usr/share/misc/magic.mgc
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```
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<!-- markdownlint-enable MD010 -->
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