Speed up multi-arch image build

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,22 @@
+---
+name: Bug report 🐞
+about: Create a report to help us improve
+title: ''
+labels: bug
+assignees: ''
+---
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**To Reproduce**
+Steps to reproduce the behavior e.g. provide example action definition.
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+
+**Screenshots**
+If applicable, add screenshots to help explain your problem.
+
+**Additional context**
+Add any other context about the problem here.

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,17 @@
+---
+name: Feature Request 💡
+about: Suggest a new idea for the project.
+labels: enhancement
+---
+
+# Summary
+
+Brief explanation of the feature.
+
+## Basic example
+
+If the proposal involves a new or changed API, include a basic code example. Omit this section if it's not applicable.
+
+## Motivation
+
+Why are we doing this? What use cases does it support? What is the expected outcome?

.github/ISSUE_TEMPLATE/question.md

@@ -0,0 +1,7 @@
+---
+name: Question ❓
+about: Is something unclear?
+labels: question
+---
+
+# Question?

.github/pull_request_template.md

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+# Proposed Changes
+
+-
+-
+-
+
+Fixes #

Dockerfile

@@ -1,5 +1,5 @@
 # Build the manager binary
-FROM golang:1.26 AS builder
+FROM --platform=$BUILDPLATFORM golang:1.26 AS builder
 ARG TARGETOS
 ARG TARGETARCH
 
@@ -9,7 +9,7 @@ COPY go.mod go.mod
 COPY go.sum go.sum
 # cache deps before building and copying source so that we don't need to re-download as much
 # and so that source changes don't invalidate our downloaded layer
-RUN go mod download
+RUN --mount=type=cache,target=/go/pkg go mod download
 
 # Copy the Go source (relies on .dockerignore to filter)
 COPY . .
@@ -19,7 +19,8 @@ COPY . .
 # was called. For example, if we call make docker-build in a local env which has the Apple Silicon M1 SO
 # the docker BUILDPLATFORM arg will be linux/arm64 when for Apple x86 it will be linux/amd64. Therefore,
 # by leaving it empty we can ensure that the container and binary shipped on it will have the same platform.
-RUN CGO_ENABLED=0 GOOS=${TARGETOS:-linux} GOARCH=${TARGETARCH} go build -a -o manager cmd/main.go
+RUN --mount=type=cache,target=/go/pkg --mount=type=cache,target=/root/.cache/go-build \
+    CGO_ENABLED=0 GOOS=${TARGETOS:-linux} GOARCH=${TARGETARCH} go build -ldflags="-s -w" -a -o manager cmd/main.go
 
 # Use distroless as minimal base image to package the manager binary
 # Refer to https://github.com/GoogleContainerTools/distroless for more details