diff --git a/Dockerfile b/Dockerfile
index 791bd333..6b2b2a12 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -42,18 +42,41 @@ RUN --mount=type=cache,target=/root/.cargo/git \
     \
     cargo check || [ "$?" -eq 101 ]
 
-# nextest runs tests in parallel (done its in own FROM so that it can run in parallel)
-FROM rust as rust_nextest
+# cargo binstall
+RUN --mount=type=cache,target=/root/.cargo/git \
+    --mount=type=cache,target=/root/.cargo/registry \
+    --mount=type=cache,target=/root/.cache/sccache \
+    set -eux; \
+    \
+    curl -L --proto '=https' --tlsv1.2 -sSf https://raw.githubusercontent.com/cargo-bins/cargo-binstall/main/install-from-binstall-release.sh >/tmp/install-binstall.sh; \
+    bash /tmp/install-binstall.sh; \
+    rm -rf /tmp/*
+
+# sccache
 RUN --mount=type=cache,target=/root/.cargo/git \
     --mount=type=cache,target=/root/.cargo/registry \
     set -eux; \
     \
-    cargo install --locked cargo-nextest
+    cargo binstall -y sccache
+
+# TODO: full path
+ENV RUSTC_WRAPPER "/root/.cargo/bin/sccache"
+
+# nextest runs tests in parallel (done its in own FROM so that it can run in parallel)
+# TODO: i'd like to use binaries for these, but i had trouble with arm and binstall
+FROM rust as rust_nextest
+RUN --mount=type=cache,target=/root/.cargo/git \
+    --mount=type=cache,target=/root/.cargo/registry \
+    --mount=type=cache,target=/root/.cache/sccache \
+    set -eux; \
+    \
+    cargo binstall -y cargo-nextest
 
 # foundry/anvil are needed to run tests (done its in own FROM so that it can run in parallel)
 FROM rust as rust_foundry
 RUN --mount=type=cache,target=/root/.cargo/git \
     --mount=type=cache,target=/root/.cargo/registry \
+    --mount=type=cache,target=/root/.cache/sccache \
     set -eux; \
     \
     curl -L https://foundry.paradigm.xyz | bash && foundryup
@@ -69,6 +92,7 @@ COPY . .
 # fetch deps
 RUN --mount=type=cache,target=/root/.cargo/git \
     --mount=type=cache,target=/root/.cargo/registry \
+    --mount=type=cache,target=/root/.cache/sccache \
     --mount=type=cache,target=/app/target \
     set -eux; \
     \
@@ -84,6 +108,7 @@ COPY --from=rust_nextest /root/.cargo/bin/cargo-nextest* /root/.cargo/bin/
 # test the application with cargo-nextest
 RUN --mount=type=cache,target=/root/.cargo/git \
     --mount=type=cache,target=/root/.cargo/registry \
+    --mount=type=cache,target=/root/.cache/sccache \
     --mount=type=cache,target=/app/target \
     set -eux; \
     \
@@ -105,6 +130,7 @@ FROM rust_with_env as build_app
 # # TODO: use the "faster_release" profile which builds with `codegen-units = 1` (but compile is SLOW)
 RUN --mount=type=cache,target=/root/.cargo/git \
     --mount=type=cache,target=/root/.cargo/registry \
+    --mount=type=cache,target=/root/.cache/sccache \
     --mount=type=cache,target=/app/target \
     set -eux; \
     \