feat: add Ubuntu chiselled javascript template

javascript/Dockerfile

@@ -6,43 +6,64 @@
 # If any needed dependencies rely on native binaries, you must use 
 # a riscv64 image such as cartesi/node:20-jammy for the build stage,
 # to ensure that the appropriate binaries will be generated.
-FROM node:20.8.0-bookworm as build-stage
+FROM --platform=amd64 node:18-bookworm as build-stage
 
 WORKDIR /opt/cartesi/dapp
 COPY . .
 RUN yarn install && yarn build
 
-# runtime stage: produces final image that will be executed
+# chisel stage: produces final image that will be executed
 
 # Here the image's platform MUST be linux/riscv64.
 # Give preference to small base images, which lead to better start-up
 # performance when loading the Cartesi Machine.
-FROM --platform=linux/riscv64 cartesi/node:20.8.0-jammy-slim
+FROM riscv64/ubuntu:22.04 as chisel
+
+WORKDIR /rootfs
 
 ARG MACHINE_EMULATOR_TOOLS_VERSION=0.14.1
 ADD https://github.com/cartesi/machine-emulator-tools/releases/download/v${MACHINE_EMULATOR_TOOLS_VERSION}/machine-emulator-tools-v${MACHINE_EMULATOR_TOOLS_VERSION}.deb /
-RUN dpkg -i /machine-emulator-tools-v${MACHINE_EMULATOR_TOOLS_VERSION}.deb \
-  && rm /machine-emulator-tools-v${MACHINE_EMULATOR_TOOLS_VERSION}.deb
+RUN dpkg -x /machine-emulator-tools-v${MACHINE_EMULATOR_TOOLS_VERSION}.deb /rootfs
 
-LABEL io.cartesi.rollups.sdk_version=0.6.0
-LABEL io.cartesi.rollups.ram_size=128Mi
+# Get chisel binary
+ARG CHISEL_VERSION=0.9.1
+ADD "https://github.com/canonical/chisel/releases/download/v${CHISEL_VERSION}/chisel_v${CHISEL_VERSION}_linux_riscv64.tar.gz" chisel.tar.gz
+RUN tar -xvf chisel.tar.gz -C /usr/bin/
+
+# Extract nodejs dependencies into the chiselled filesystem
+ADD https://github.com/cartesi/chisel-releases.git#6c3f741b1bb22c49eba81a338195a40ad3239a78 /ubuntu-24.04-riscv64
+RUN chisel cut \
+  --release /ubuntu-24.04-riscv64 \
+  --root /rootfs \
+  --arch=riscv64 \
+  # base rootfs dependencies
+  base-files_base \
+  base-passwd_data \
+  # machine-emulator-tools dependencies
+  busybox-static_bins \
+  libgcc-s1_libs \
+  # nodejs
+  nodejs_bins
 
-ARG DEBIAN_FRONTEND=noninteractive
 RUN <<EOF
-set -e
-apt-get update
-apt-get install -y --no-install-recommends \
-  busybox-static=1:1.30.1-7ubuntu3
-rm -rf /var/lib/apt/lists/* /var/log/* /var/cache/*
-useradd --create-home --user-group dapp
+  set -e
+  ln -s /usr/bin/busybox bin/sh
+  mkdir -p proc sys dev run/cruntime mnt
+  echo "dapp:x:1000:1000::/home/dapp:/bin/sh" >> etc/passwd
+  echo "dapp:x:1000:" >> etc/group
+  mkdir home/dapp
+  chown 1000:1000 home/dapp
+  sed -i '/^root/s/bash/sh/g' etc/passwd
 EOF
 
+# runtime stage: final image
+FROM scratch
+LABEL io.cartesi.rollups.sdk_version=0.6.0
+LABEL io.cartesi.rollups.ram_size=128Mi
 ENV PATH="/opt/cartesi/bin:${PATH}"
-
 WORKDIR /opt/cartesi/dapp
-COPY --from=build-stage /opt/cartesi/dapp/dist .
-
+COPY --from=chisel /rootfs /
+COPY --from=build-stage /opt/cartesi/dapp/dist /opt/cartesi/dapp
 ENV ROLLUP_HTTP_SERVER_URL="http://127.0.0.1:5004"
-
 ENTRYPOINT ["rollup-init"]
 CMD ["node", "index.js"]