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fix: retain ruby include files needed for gem builds #15

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fix: retain ruby include files needed for gem builds #15

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23 changes: 7 additions & 16 deletions Dockerfile
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Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,7 @@
# ============================================================
# Stage 1: compile OpenSSL 1.1.1, jemalloc, Ruby
# ============================================================
FROM debian:bookworm-slim AS builder
FROM ubuntu:26.04 AS builder

ARG OPENSSL_VERSION=1.1.1w
ARG JEMALLOC_VERSION=5.3.1
Expand Down Expand Up @@ -69,7 +69,7 @@ EOF

# Build Ruby 2.6.x with jemalloc and OpenSSL 1.1.1
ENV LD_LIBRARY_PATH=/opt/openssl/lib:/usr/local/lib
RUN <<EOF
RUN <<__build__
set -eux
# Step: download Ruby source
wget -q "https://cache.ruby-lang.org/pub/ruby/2.6/ruby-${RUBY_VERSION}.tar.gz"
Expand All @@ -79,6 +79,7 @@ cd "ruby-${RUBY_VERSION}"
# Step: configure and build Ruby
./configure \
--prefix=/usr/local \
--includedir=/usr/local/include \
--with-openssl-dir=/opt/openssl \
--with-jemalloc \
--enable-shared \
Expand All @@ -90,16 +91,16 @@ make install

# Step: clean Ruby build artifacts
rm -rf /tmp/build/ruby-*
EOF
__build__

# ============================================================
# Stage 2: Final – small runtime image with debian base
# Stage 2: Final – basic runtime image with headers for compiled Ruby, OpenSSL, and jemalloc
# ============================================================
FROM debian:bookworm-slim
FROM ubuntu:26.04

ARG RUBY_VERSION=2.6.10

LABEL org.opencontainers.image.title="ruby2.6-jemalloc-docker" \
LABEL org.opencontainers.image.title="ruby2.6-jemalloc" \
org.opencontainers.image.description="Ruby 2.6 image with jemalloc 5.3.1" \
org.opencontainers.image.version="${RUBY_VERSION}" \
org.opencontainers.image.source="https://github.com/UMNLibraries/ruby2.6-jemalloc-docker"
Expand Down Expand Up @@ -127,16 +128,6 @@ apt-get install -y --no-install-recommends \
zlib1g \
ca-certificates

# Step: remove build artifacts from copied Ruby and OpenSSL
rm -rf /usr/local/include \
/usr/local/lib/pkgconfig \
/usr/local/lib/*.a \
/usr/local/share/doc \
/usr/local/share/man \
/opt/openssl/include \
/opt/openssl/lib/pkgconfig \
/opt/openssl/lib/*.a

# Step: register compiled library paths for Ruby and OpenSSL at runtime
ldconfig /opt/openssl/lib /usr/local/lib

Expand Down