chore: add ARG USE_IOG_BINARY_CACHE=

Author: michalrus

Dockerfile

@@ -3,6 +3,7 @@ ARG TARGETARCH=amd64
 ARG CARDANO_NODE_VERSION=1.35.7
 ARG CARDANO_DB_SYNC_VERSION=13.1.0.0
 ARG NODEJS_MAJOR_VERSION=14
+ARG USE_IOG_BINARY_CACHE=
 
 FROM ${TARGETARCH}/ubuntu:${UBUNTU_VERSION} as haskell-builder
 ARG TARGETARCH
@@ -12,12 +13,16 @@ ENV DEBIAN_FRONTEND=noninteractive
 RUN apt update -y
 RUN apt install curl git -y
 # Note: `sandbox = false` is for compatibility with Podman, Docker doesn’t require it.
-# Note: you can comment out `substituters` to build the world from source (including multiple GHC stages).
 RUN curl --proto '=https' --tlsv1.2 -sSf -L https://install.determinate.systems/nix/tag/v0.11.0 | sh -s -- install linux \
   --extra-conf "sandbox = false" \
-  --extra-conf "substituters = https://cache.nixos.org https://cache.iog.io" \
-  --extra-conf "trusted-public-keys = cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY= hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ=" \
   --init none --no-confirm
+# Note: if you don’t set USE_IOG_BINARY_CACHE=1, you will be rebuilding our Haskell world from source (including multiple GHC stages).
+ARG USE_IOG_BINARY_CACHE
+RUN \
+  if [ -n "${USE_IOG_BINARY_CACHE}" ] ; then \
+    echo "substituters = https://cache.nixos.org https://cache.iog.io" >>/etc/nix/nix.conf &&\
+    echo "trusted-public-keys = cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY= hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ=" >>/etc/nix/nix.conf ;\
+  fi
 ENV PATH="${PATH}:/nix/var/nix/profiles/default/bin"
 # We don’t officially support AArch64, so we have to go through some hops:
 SHELL ["/bin/bash", "-c"]

README.md

@@ -10,6 +10,8 @@ Build [from anywhere], _optionally_ specifying a [network] name other than `main
 build argument, and accessing cached build layers to reduce the initialization time. You can also 
 build with local source by replacing the GitHub link with `.`
 
+Note: if you don’t specify `--build-arg USE_IOG_BINARY_CACHE=1`, you will actually be rebuilding our Haskell world from source (including several stages of the Glasgow Haskell Compiler). It’s bound to take a lot of time.
+
 ### Supported Architectures
 - `linux/amd64`
 - `linux/arm64`
@@ -21,6 +23,7 @@ build with local source by replacing the GitHub link with `.`
 DOCKER_BUILDKIT=1 \
 docker build \
   --build-arg BUILDKIT_INLINE_CACHE=1 \
+  --build-arg USE_IOG_BINARY_CACHE=1 \
   --cache-from=inputoutput/cardano-rosetta:master \
   -t inputoutput/cardano-rosetta:2.1.0 \
   https://github.com/input-output-hk/cardano-rosetta.git#2.1.0
@@ -35,6 +38,7 @@ docker build \
 DOCKER_BUILDKIT=1 \
 docker build \
   --build-arg BUILDKIT_INLINE_CACHE=1 \
+  --build-arg USE_IOG_BINARY_CACHE=1 \
   --build-arg NETWORK=preprod \
   --cache-from=inputoutput/cardano-rosetta:master \
   -t inputoutput/cardano-rosetta:2.1.0-preprod \
@@ -50,6 +54,7 @@ docker build \
 DOCKER_BUILDKIT=1 \
 docker build \
   --build-arg BUILDKIT_INLINE_CACHE=1 \
+  --build-arg USE_IOG_BINARY_CACHE=1 \
   --build-arg NETWORK=preview \
   --cache-from=inputoutput/cardano-rosetta:master \
   -t inputoutput/cardano-rosetta:2.1.0-preview \
@@ -154,6 +159,7 @@ For example:
 DOCKER_BUILDKIT=1 \
 docker build \
   --build-arg BUILDKIT_INLINE_CACHE=1 \
+  --build-arg USE_IOG_BINARY_CACHE=1 \
   --build-arg SNAPSHOT_URL=https://update-cardano-mainnet.iohk.io/cardano-db-sync/13/db-sync-snapshot-schema-13-block-7960123-x86_64.tgz \
   --cache-from=inputoutput/cardano-rosetta:master \
   -t inputoutput/cardano-rosetta:2.1.0-apply-snapshot \