diff --git a/.dockerignore b/.dockerignore
index 6f1931b..7efcaf3 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -2,3 +2,4 @@
 !go.mod
 !go.sum
 !*.go
+dist
diff --git a/.github/workflows/on_merge.yaml b/.github/workflows/on_merge.yaml
index a0d8bbb..59b0e0b 100644
--- a/.github/workflows/on_merge.yaml
+++ b/.github/workflows/on_merge.yaml
@@ -19,4 +19,8 @@ jobs:
         with: { version: "v${{ env.EARTHLY_TOOL_VERSION }}" }
 
       - name: run continuous deployment actions
-        run: earthly --push +continuous-deploy --token ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          ./earthly \
+            --push \
+            +continuous-deploy \
+              --token ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/on_pull_request.yaml b/.github/workflows/on_pull_request.yaml
index 2de42b9..deb9976 100644
--- a/.github/workflows/on_pull_request.yaml
+++ b/.github/workflows/on_pull_request.yaml
@@ -12,7 +12,7 @@ on:
 
 
 jobs:
-  build:
+  build-image:
     runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v3
@@ -22,7 +22,12 @@ jobs:
       - uses: earthly/actions-setup@v1
         with: { version: "v${{ env.EARTHLY_TOOL_VERSION }}" }
 
-      - run: earthly +build --GOLANG_VERSION=${{ env.GOLANG_TOOL_VERSION }}
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      # intentionally avoiding --push, this is just
+      # to test the command
+      - run: ./earthly +build-image-multiarch
 
   release-test:
     runs-on: ubuntu-22.04
@@ -36,7 +41,7 @@ jobs:
 
       # intentionally avoiding --push, this is just
       # to test the command
-      - run: earthly +release --GOLANG_VERSION=${{ env.GOLANG_TOOL_VERSION }}
+      - run: ./earthly +release-binaries
 
   skaffold:
     runs-on: ubuntu-22.04
diff --git a/.github/workflows/on_pull_request_go.yaml b/.github/workflows/on_pull_request_go.yaml
index e0965ed..19811a2 100644
--- a/.github/workflows/on_pull_request_go.yaml
+++ b/.github/workflows/on_pull_request_go.yaml
@@ -20,4 +20,4 @@ jobs:
       - uses: earthly/actions-setup@v1
         with: { version: "v${{ env.EARTHLY_TOOL_VERSION }}" }
 
-      - run: earthly +ci-golang --GOLANG_VERSION=${{ env.GOLANG_TOOL_VERSION }}
+      - run: ./earthly +ci-golang
diff --git a/.github/workflows/on_pull_request_helm.yaml b/.github/workflows/on_pull_request_helm.yaml
index 74863c8..15c6c03 100644
--- a/.github/workflows/on_pull_request_helm.yaml
+++ b/.github/workflows/on_pull_request_helm.yaml
@@ -17,4 +17,4 @@ jobs:
       - uses: earthly/actions-setup@v1
         with: { version: "v${{ env.EARTHLY_TOOL_VERSION }}" }
 
-      - run: earthly +ci-helm
+      - run: ./earthly +ci-helm
diff --git a/.github/workflows/on_release.yaml b/.github/workflows/on_release.yaml
index 65511c0..d517642 100644
--- a/.github/workflows/on_release.yaml
+++ b/.github/workflows/on_release.yaml
@@ -33,12 +33,12 @@ jobs:
 
       - name: Build and push the binaries
         run: |
-          earthly \
+          ./earthly \
             --push \
             +release-binaries \
-            --version=${{ env.RELEASE_VERSION }} \
-            --commitSHA=${{ env.SHORT_SHA }} \
-            --token ${{ secrets.GITHUB_TOKEN }}
+              --version=${{ env.RELEASE_VERSION }} \
+              --commitSHA=${{ env.SHORT_SHA }} \
+              --token ${{ secrets.GITHUB_TOKEN }}
 
   release-image:
     runs-on: ubuntu-22.04
@@ -67,9 +67,9 @@ jobs:
 
       - name: Build and push the Docker image
         run: |
-          earthly \
+          ./earthly \
             --push \
             +build-image-multiarch \
-            --version=${{ env.RELEASE_VERSION }} \
-            --commitSHA=${{ env.SHORT_SHA }} \
-            --image_name=ghcr.io/${{ github.repository_owner }}/prom-aggregation-gateway
+              --version=${{ env.RELEASE_VERSION }} \
+              --commitSHA=${{ env.SHORT_SHA }} \
+              --image_name=ghcr.io/${{ github.repository_owner }}/prom-aggregation-gateway
diff --git a/.tool-versions b/.tool-versions
index 44d1b83..41cec77 100644
--- a/.tool-versions
+++ b/.tool-versions
@@ -1,4 +1,9 @@
-# asdf plugin add earthly https://github.com/YR-ZR0/asdf-earthly
-earthly 0.6.30
+earthly 0.8.5
+github-cli 2.36.0
 golang 1.21.3
-skaffold 2.0.3
+helm-cr 1.4.1
+helm-ct 3.7.1
+kubeconform 0.5.0
+minikube 1.32.0
+skaffold 2.10.1
+staticcheck 2023.1.6
diff --git a/Dockerfile b/Dockerfile
deleted file mode 100644
index d95da52..0000000
--- a/Dockerfile
+++ /dev/null
@@ -1,21 +0,0 @@
-# builder image
-FROM golang:1.21.3-alpine3.18 AS builder
-
-ARG COMMIT_SHA
-ARG VERSION_TAG
-ARG GO_MOD_PATH="github.com/zapier/prom-aggregation-gateway"
-
-RUN mkdir /build
-ADD . /build/
-WORKDIR /build
-
-RUN CGO_ENABLED=0 GOOS=linux go build -ldflags "-X ${GO_MOD_PATH}/config.CommitSHA=${COMMIT_SHA} -X ${GO_MOD_PATH}/config.Version=${VERSION_TAG}" -a -o prom-aggregation-gateway .
-
-# generate clean, final image for end users
-FROM alpine:3.18
-COPY --chown=nobody:nogroup --from=builder /build/prom-aggregation-gateway .
-
-USER 65534
-
-# executable
-ENTRYPOINT [ "./prom-aggregation-gateway" ]
diff --git a/Earthfile b/Earthfile
index ef58b39..0896680 100644
--- a/Earthfile
+++ b/Earthfile
@@ -1,21 +1,13 @@
-VERSION 0.6
+VERSION 0.8
 
-ARG image_name="prom-aggregation-gateway"
-ARG token=""
+ARG --global token=""
 
-ARG commitSHA=""
-ARG version="dev"
-ARG PKG_PATH="github.com/zapier/prom-aggregation-gateway"
+ARG --global commitSHA=""
+ARG --global version="dev"
+ARG --global PKG_PATH="github.com/zapier/prom-aggregation-gateway"
 
-ARG ALPINE_VERSION="3.18.4"
-ARG GOLANG_ALPINE_VERSION="3.18"
-ARG CHART_RELEASER_VERSION="1.4.1"
-ARG CHART_TESTING_VERSION="3.7.1"
-ARG GITHUB_CLI_VERSION="2.36.0"
-ARG GOLANG_VERSION="1.21.3"
-ARG HELM_UNITTEST_VERSION="0.2.8"
-ARG KUBECONFORM_VERSION="0.5.0"
-ARG STATICCHECK_VERSION="2023.1.6"
+ARG --global ALPINE_VERSION="3.18"
+ARG --global --required GOLANG_VERSION
 
 test:
     BUILD +ci-golang
@@ -40,7 +32,7 @@ release:
     BUILD +build-image
 
 go-deps:
-    FROM golang:${GOLANG_VERSION}-alpine${GOLANG_ALPINE_VERSION}
+    FROM golang:${GOLANG_VERSION}-alpine${ALPINE_VERSION}
 
     WORKDIR /src
     COPY go.mod go.sum /src
@@ -64,6 +56,8 @@ build-image:
     ENV GIN_MODE=release
     USER 65534
     ENTRYPOINT ["/prom-aggregation-gateway"]
+
+    ARG image_name="prom-aggregation-gateway"
     SAVE IMAGE --push ${image_name}:${version}
     SAVE IMAGE --push ${image_name}:latest
 
@@ -104,6 +98,7 @@ release-binaries:
     COPY +build-binaries/_dist dist
 
     # install github cli
+    ARG --required GITHUB_CLI_VERSION
     RUN FILE=ghcli.tgz \
         && URL=https://github.com/cli/cli/releases/download/v${GITHUB_CLI_VERSION}/gh_${GITHUB_CLI_VERSION}_linux_amd64.tar.gz \
         && wget ${URL} \
@@ -125,6 +120,7 @@ lint-golang:
     FROM +go-deps
 
     # install staticcheck
+    ARG --required STATICCHECK_VERSION
     RUN FILE=staticcheck.tgz \
         && URL=https://github.com/dominikh/go-tools/releases/download/${STATICCHECK_VERSION}/staticcheck_linux_amd64.tar.gz \
         && wget ${URL} \
@@ -150,9 +146,12 @@ test-golang:
     RUN go test .
 
 test-helm:
+    ARG --required CHART_TESTING_VERSION
+
     FROM quay.io/helmpack/chart-testing:v${CHART_TESTING_VERSION}
 
     # install kubeconform
+    ARG --required KUBECONFORM_VERSION
     RUN FILE=kubeconform.tgz \
         && URL=https://github.com/yannh/kubeconform/releases/download/v${KUBECONFORM_VERSION}/kubeconform-linux-amd64.tar.gz \
         && wget ${URL} \
@@ -164,6 +163,7 @@ test-helm:
             --file ${FILE} \
         && kubeconform -v
 
+    ARG HELM_UNITTEST_VERSION="0.2.8"
     RUN apk add --no-cache bash git \
         && helm plugin install --version "${HELM_UNITTEST_VERSION}" https://github.com/quintush/helm-unittest \
         && helm unittest --help
@@ -175,6 +175,8 @@ test-helm:
     RUN ct --config ./.github/ct.yaml lint ./charts
 
 build-helm:
+    ARG --required CHART_RELEASER_VERSION
+
     FROM quay.io/helmpack/chart-releaser:v${CHART_RELEASER_VERSION}
 
     ARG token
diff --git a/earthly b/earthly
new file mode 100755
index 0000000..fd30bef
--- /dev/null
+++ b/earthly
@@ -0,0 +1,39 @@
+#!/usr/bin/env bash
+
+to_echo() {
+    if [ "$1" -eq 1 ]; then
+        echo "$2"
+    fi
+}
+
+read_tool_versions_write_to_env() {
+    local -r tool_versions_file="$1"
+
+    # loop over each line of the .tool-versions file
+    while read -r line; do
+        # split the line into a bash array using the default space delimeter
+        IFS=" " read -r -a lineArray <<<"$line"
+
+        # get the key and value from the array, set the key to all uppercase
+        key="${lineArray[0],,}"
+        value="${lineArray[1]}"
+
+        # ignore comments, comments always start with #
+        if [[ ${key:0:1} != "#" ]]; then
+            full_key="${key/-/_}_tool_version"
+            export "${full_key}=${value}"
+        fi
+    done <"$tool_versions_file"
+}
+
+read_tool_versions_write_to_env '.tool-versions'
+
+set -x
+
+earthly $* \
+  --CHART_RELEASER_VERSION=${helm_cr_tool_version} \
+  --CHART_TESTING_VERSION=${helm_ct_tool_version} \
+  --GITHUB_CLI_VERSION=${github_cli_tool_version} \
+  --GOLANG_VERSION=${golang_tool_version} \
+  --KUBECONFORM_VERSION=${kubeconform_tool_version} \
+  --STATICCHECK_VERSION=${staticcheck_tool_version}
diff --git a/justfile b/justfile
new file mode 100644
index 0000000..5556fa6
--- /dev/null
+++ b/justfile
@@ -0,0 +1,7 @@
+minikube-up:
+    minikube start
+    minikube addons enable ingress
+    minikube addons enable registryi
+
+minikube-reset:
+    minikube delete --all
diff --git a/skaffold.yaml b/skaffold.yaml
index b395997..f16ebc8 100644
--- a/skaffold.yaml
+++ b/skaffold.yaml
@@ -7,7 +7,7 @@ build:
   artifacts:
     - image: prom-aggregation-gateway
       custom:
-        buildCommand: earthly +build-image --version=$IMAGE_TAG --image_name=$IMAGE_REPO
+        buildCommand: EARTHLY_DISABLE_REMOTE_REGISTRY_PROXY=true ./earthly +build-image --version=$IMAGE_TAG --image_name=$IMAGE_REPO --no-satellite
   tagPolicy:
     customTemplate:
       template: dev