Dockerfile

FROM eclipse-temurin:17-jdk-alpine

ENV LEIN_VERSION=2.11.2
ENV LEIN_INSTALL=/usr/local/bin/

WORKDIR /tmp

# Download the whole repo as an archive
RUN set -eux; \
apk add --no-cache ca-certificates bash tar openssl git gnupg && \
mkdir -p $LEIN_INSTALL && \
wget -q https://codeberg.org/leiningen/leiningen/raw/tag/$LEIN_VERSION/bin/lein-pkg && \
echo "Comparing lein-pkg checksum ..." && \
sha256sum lein-pkg && \
echo "28a1a62668c5f427b413a8677e376affaa995f023b1fcd06e2d4c98ac1df5f3e *lein-pkg" | sha256sum -c - && \
mv lein-pkg $LEIN_INSTALL/lein && \
chmod 0755 $LEIN_INSTALL/lein && \
export GNUPGHOME="$(mktemp -d)" && \
export FILENAME_EXT=jar && \
gpg --batch --keyserver hkps://keyserver.ubuntu.com --recv-keys 9D13D9426A0814B3373CF5E3D8A8243577A7859F && \
wget -q https://codeberg.org/leiningen/leiningen/releases/download/$LEIN_VERSION/leiningen-$LEIN_VERSION-standalone.$FILENAME_EXT && \
wget -q https://codeberg.org/leiningen/leiningen/releases/download/$LEIN_VERSION/leiningen-$LEIN_VERSION-standalone.$FILENAME_EXT.asc && \
echo "Verifying file PGP signature..." && \
gpg --batch --verify leiningen-$LEIN_VERSION-standalone.$FILENAME_EXT.asc leiningen-$LEIN_VERSION-standalone.$FILENAME_EXT && \
gpgconf --kill all && \
rm -rf "$GNUPGHOME" leiningen-$LEIN_VERSION-standalone.$FILENAME_EXT.asc && \
mkdir -p /usr/share/java && \
mkdir -p /root/.lein && \
mv leiningen-$LEIN_VERSION-standalone.$FILENAME_EXT /usr/share/java/leiningen-$LEIN_VERSION-standalone.jar && \
apk del ca-certificates tar openssl gnupg

ENV PATH=$PATH:$LEIN_INSTALL
ENV LEIN_ROOT 1

# Install clojure 1.12.0 so users don't have to download it every time
RUN echo '(defproject dummy "" :dependencies [[org.clojure/clojure "1.12.0"]])' > project.clj \
  && lein deps && rm project.clj

COPY entrypoint /usr/local/bin/entrypoint

ENTRYPOINT ["entrypoint"]
CMD ["repl"]