add entrypoint to dockerfile

Signed-off-by: onur-ozkan <[email protected]>

.github/workflows/build-and-install.yml

@@ -64,6 +64,8 @@ jobs:
         run: |
           git clone https://github.com/cosmos/relayer
           cd relayer
+          rm ./Dockerfile
+          cp ../Dockerfile.ibc ./Dockerfile
           docker build -t komodoofficial/ibc-relayer:latest -f ./Dockerfile .
           docker push komodoofficial/ibc-relayer:latest
 

Dockerfile.ibc

@@ -0,0 +1,71 @@
+FROM --platform=$BUILDPLATFORM golang:1.21-alpine3.17 AS build-env
+
+RUN apk add --update --no-cache curl make git libc-dev bash gcc linux-headers eudev-dev
+
+ARG TARGETARCH
+ARG BUILDARCH
+
+RUN if [ "${TARGETARCH}" = "arm64" ] && [ "${BUILDARCH}" != "arm64" ]; then \
+    wget -c https://musl.cc/aarch64-linux-musl-cross.tgz -O - | tar -xzvv --strip-components 1 -C /usr; \
+    elif [ "${TARGETARCH}" = "amd64" ] && [ "${BUILDARCH}" != "amd64" ]; then \
+    wget -c https://musl.cc/x86_64-linux-musl-cross.tgz -O - | tar -xzvv --strip-components 1 -C /usr; \
+    fi
+
+ADD . .
+
+RUN if [ "${TARGETARCH}" = "arm64" ] && [ "${BUILDARCH}" != "arm64" ]; then \
+    export CC=aarch64-linux-musl-gcc CXX=aarch64-linux-musl-g++;\
+    elif [ "${TARGETARCH}" = "amd64" ] && [ "${BUILDARCH}" != "amd64" ]; then \
+    export CC=x86_64-linux-musl-gcc CXX=x86_64-linux-musl-g++; \
+    fi; \
+    GOOS=linux GOARCH=$TARGETARCH CGO_ENABLED=1 LDFLAGS='-linkmode external -extldflags "-static"' make install
+
+RUN if [ -d "/go/bin/linux_${TARGETARCH}" ]; then mv /go/bin/linux_${TARGETARCH}/* /go/bin/; fi
+
+# Use minimal busybox from infra-toolkit image for final scratch image
+FROM ghcr.io/strangelove-ventures/infra-toolkit:v0.0.6 AS busybox-min
+RUN addgroup --gid 1000 -S relayer && adduser --uid 100 -S relayer -G relayer
+
+# Use ln and rm from full featured busybox for assembling final image
+FROM busybox:1.34.1-musl AS busybox-full
+
+# Build final image from scratch
+FROM scratch
+
+LABEL org.opencontainers.image.source="https://github.com/cosmos/relayer"
+
+WORKDIR /bin
+
+# Install ln (for making hard links) and rm (for cleanup) from full busybox image (will be deleted, only needed for image assembly)
+COPY --from=busybox-full /bin/ln /bin/rm ./
+
+# Install minimal busybox image as shell binary (will create hardlinks for the rest of the binaries to this data)
+COPY --from=busybox-min /busybox/busybox /bin/sh
+
+# Add hard links for read-only utils, then remove ln and rm
+# Will then only have one copy of the busybox minimal binary file with all utils pointing to the same underlying inode
+RUN ln sh pwd && \
+    ln sh ls && \
+    ln sh cat && \
+    ln sh less && \
+    ln sh grep && \
+    ln sh sleep && \
+    ln sh env && \
+    ln sh tar && \
+    ln sh tee && \
+    ln sh du && \
+    rm ln rm
+
+# Install chain binaries
+COPY --from=build-env /bin/rly /bin
+
+# Install trusted CA certificates
+COPY --from=busybox-min /etc/ssl/cert.pem /etc/ssl/cert.pem
+
+# Install relayer user
+COPY --from=busybox-min /etc/passwd /etc/passwd
+COPY --from=busybox-min --chown=100:1000 /home/relayer /home/relayer
+
+WORKDIR /home/relayer
+
+ENTRYPOINT ["rly", "start"]