Dockerfile

# docker build . -t cosmoscontracts/juno:latest
# docker run --rm -it cosmoscontracts/juno:latest /bin/sh
FROM golang:1.20-alpine AS go-builder

# this comes from standard alpine nightly file
#  https://github.com/rust-lang/docker-rust-nightly/blob/master/alpine3.12/Dockerfile
# with some changes to support our toolchain, etc
SHELL ["/bin/sh", "-ecuxo", "pipefail"]
# we probably want to default to latest and error
# since this is predominantly for dev use
# hadolint ignore=DL3018
RUN apk add --no-cache ca-certificates build-base git
# NOTE: add these to run with LEDGER_ENABLED=true
# RUN apk add libusb-dev linux-headers

WORKDIR /code

# Download dependencies and CosmWasm libwasmvm if found.
ADD go.mod go.sum ./
RUN set -eux; \    
    export ARCH=$(uname -m); \
    WASM_VERSION=$(go list -m all | grep github.com/CosmWasm/wasmvm | awk '{print $2}'); \
    if [ ! -z "${WASM_VERSION}" ]; then \
      wget -O /lib/libwasmvm_muslc.a https://github.com/CosmWasm/wasmvm/releases/download/${WASM_VERSION}/libwasmvm_muslc.${ARCH}.a; \      
    fi; \
    go mod download;

# Copy over code
COPY . /code/

# force it to use static lib (from above) not standard libgo_cosmwasm.so file
# then log output of file /code/bin/junod
# then ensure static linking
RUN LEDGER_ENABLED=false BUILD_TAGS=muslc LINK_STATICALLY=true make build \
  && file /code/bin/junod \
  && echo "Ensuring binary is statically linked ..." \
  && (file /code/bin/junod | grep "statically linked")

# --------------------------------------------------------
FROM alpine:3.16

COPY --from=go-builder /code/bin/junod /usr/bin/junod

COPY docker/* /opt/
RUN chmod +x /opt/*.sh

WORKDIR /opt

# rest server, tendermint p2p, tendermint rpc
EXPOSE 1317 26656 26657

CMD ["/usr/bin/junod", "version"]