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nssherpanssherpa
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feat: Create a dockerfile for cachew
1 parent ecf5911 commit 48bfa66

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‎Dockerfile‎

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ARG ALPINE_VERSION=3.21
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FROM alpine:${ALPINE_VERSION}
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ARG TARGETARCH
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ARG TARGETPLATFORM
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SHELL ["/bin/sh", "-o", "pipefail", "-c"]
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# Install runtime dependencies for git operations and TLS
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RUN apk add --no-cache ca-certificates git
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# Set working directory (config uses relative paths like ./state/cache)
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WORKDIR /app
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# Copy pre-built binary for the target architecture
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COPY dist/cachewd-linux-${TARGETARCH} /usr/local/bin/cachewd
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# Copy default configuration file
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COPY cachew.hcl /app/cachew.hcl
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# Bind to all interfaces in Docker (can be overridden with CACHEW_BIND env var)
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ENV CACHEW_BIND=0.0.0.0:8080
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ENTRYPOINT ["/usr/local/bin/cachewd"]
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CMD ["--config", "/app/cachew.hcl"]

‎Justfile‎

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set positional-arguments := true
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set shell := ["bash", "-c"]
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# Configuration
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VERSION := `git describe --tags --always --dirty 2>/dev/null || echo "dev"`
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GIT_COMMIT := `git rev-parse HEAD 2>/dev/null || echo "unknown"`
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TAG := `git rev-parse --short HEAD 2>/dev/null || echo "dev"`
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RELEASE := "dist"
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REGISTRY := env_var_or_default("REGISTRY", "268271485387.dkr.ecr.us-west-2.amazonaws.com")
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IMAGE_NAME := "cachew"
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IMAGE_REF := REGISTRY + "/" + IMAGE_NAME + ":" + TAG
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IMAGE_LATEST := REGISTRY + "/" + IMAGE_NAME + ":latest"
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_help:
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@just -l
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just --unstable --fmt
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golangci-lint fmt
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go mod tidy
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# ============================================================================
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# Build
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# ============================================================================
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# Build for current platform
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build:
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@mkdir -p {{ RELEASE }}
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@go build -trimpath -o {{ RELEASE }}/cachewd \
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-ldflags "-s -w -X main.version={{ VERSION }} -X main.gitCommit={{ GIT_COMMIT }}" \
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./cmd/cachewd
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@echo "✓ Built {{ RELEASE }}/cachewd"
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# Build for Linux (current arch)
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build-linux:
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#!/usr/bin/env bash
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set -e
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mkdir -p {{ RELEASE }}
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ARCH=$(uname -m)
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[[ "$ARCH" == "x86_64" ]] && ARCH="amd64"
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[[ "$ARCH" == "aarch64" || "$ARCH" == "arm64" ]] && ARCH="arm64"
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echo "Building for linux/${ARCH}..."
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GOOS=linux GOARCH=${ARCH} go build -trimpath \
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-o {{ RELEASE }}/cachewd-linux-${ARCH} \
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-ldflags "-s -w -X main.version={{ VERSION }} -X main.gitCommit={{ GIT_COMMIT }}" \
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./cmd/cachewd
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echo "✓ Built {{ RELEASE }}/cachewd-linux-${ARCH}"
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# Build all platforms
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build-all:
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@mkdir -p {{ RELEASE }}
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@echo "Building all platforms..."
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@GOOS=darwin GOARCH=arm64 go build -trimpath -o {{ RELEASE }}/cachewd-darwin-arm64 -ldflags "-s -w -X main.version={{ VERSION }} -X main.gitCommit={{ GIT_COMMIT }}" ./cmd/cachewd
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@GOOS=darwin GOARCH=amd64 go build -trimpath -o {{ RELEASE }}/cachewd-darwin-amd64 -ldflags "-s -w -X main.version={{ VERSION }} -X main.gitCommit={{ GIT_COMMIT }}" ./cmd/cachewd
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@GOOS=linux GOARCH=arm64 go build -trimpath -o {{ RELEASE }}/cachewd-linux-arm64 -ldflags "-s -w -X main.version={{ VERSION }} -X main.gitCommit={{ GIT_COMMIT }}" ./cmd/cachewd
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@GOOS=linux GOARCH=amd64 go build -trimpath -o {{ RELEASE }}/cachewd-linux-amd64 -ldflags "-s -w -X main.version={{ VERSION }} -X main.gitCommit={{ GIT_COMMIT }}" ./cmd/cachewd
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@echo "✓ Built all platforms"
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# ============================================================================
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# Docker
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# ============================================================================
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# Build single-arch Docker image
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docker-build: build-linux
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#!/usr/bin/env bash
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set -e
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ARCH=$(uname -m)
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[[ "$ARCH" == "x86_64" ]] && ARCH="amd64"
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[[ "$ARCH" == "aarch64" || "$ARCH" == "arm64" ]] && ARCH="arm64"
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echo "Building Docker image for linux/${ARCH}..."
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docker build --platform linux/${ARCH} -t {{ IMAGE_NAME }}:local .
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echo "✓ Built {{ IMAGE_NAME }}:local"
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# Build multi-arch Docker image
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docker-build-multi: build-all
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#!/usr/bin/env bash
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set -e
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BUILDER="multi-arch-{{ IMAGE_NAME }}"
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docker buildx create --driver docker-container --driver-opt image=moby/buildkit:v0.17.3 --name "$BUILDER" 2>/dev/null || true
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docker buildx use "$BUILDER"
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echo "Building multi-arch image..."
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docker buildx build --platform linux/amd64,linux/arm64 \
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-t {{ IMAGE_REF }} -t {{ IMAGE_LATEST }} .
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echo "✓ Built multi-arch image"
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# ============================================================================
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# Run
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# ============================================================================
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# Run natively
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run: build
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@echo "→ Starting cachew at http://localhost:8080"
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@mkdir -p state
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@{{ RELEASE }}/cachewd --config cachew.hcl
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# Run in Docker (optionally with debug: just docker-run debug)
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docker-run log_level="info": docker-build
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@echo "→ Starting cachew at http://localhost:8080 (log-level={{ log_level }})"
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@docker run --rm -it -p 8080:8080 -v $(pwd)/state:/app/state --name {{ IMAGE_NAME }} {{ IMAGE_NAME }}:local --log-level={{ log_level }}
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# Clean up build artifacts and Docker images
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docker-clean:
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@echo "Cleaning..."
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@rm -rf {{ RELEASE }}
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@docker rmi {{ IMAGE_NAME }}:local 2>/dev/null || true
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@docker rmi {{ IMAGE_REF }} 2>/dev/null || true
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@docker rmi {{ IMAGE_LATEST }} 2>/dev/null || true
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@echo "✓ Cleaned"
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# ============================================================================
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# ECR Push
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# ============================================================================
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# Push to ECR
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image-push tag="latest": build-all
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#!/usr/bin/env bash
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set -e
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# Login to ECR
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echo "→ Authenticating to ECR..."
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aws-creds sync
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AWS_ACCOUNT_ID=$(aws sts get-caller-identity --query Account --output text)
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ECR_REGISTRY="${AWS_ACCOUNT_ID}.dkr.ecr.us-west-2.amazonaws.com"
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aws ecr get-login-password --region us-west-2 | docker login --username AWS --password-stdin $ECR_REGISTRY
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aws ecr create-repository --repository-name {{ IMAGE_NAME }} --region us-west-2 2>/dev/null || true
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# Build and push
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BUILDER="multi-arch-{{ IMAGE_NAME }}"
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docker buildx rm "$BUILDER" 2>/dev/null || true
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docker buildx create --driver docker-container --driver-opt image=moby/buildkit:v0.17.3 --name "$BUILDER"
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docker buildx use "$BUILDER"
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TAGS="-t {{ IMAGE_REF }}"
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[[ "{{ tag }}" == "latest" ]] && TAGS="$TAGS -t {{ IMAGE_LATEST }}"
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echo "→ Pushing multi-arch image..."
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docker buildx build --platform linux/amd64,linux/arm64 $TAGS --push .
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echo "✓ Pushed to ECR"
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# Push to ECR (CI - no login)
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image-push-ci tag="latest": build-all
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#!/usr/bin/env bash
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set -e
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BUILDER="multi-arch-{{ IMAGE_NAME }}"
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docker buildx rm "$BUILDER" 2>/dev/null || true
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docker buildx create --driver docker-container --driver-opt image=moby/buildkit:v0.17.3 --name "$BUILDER"
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docker buildx use "$BUILDER"
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TAGS="-t {{ IMAGE_REF }}"
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[[ "{{ tag }}" == "latest" ]] && TAGS="$TAGS -t {{ IMAGE_LATEST }}"
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echo "→ Pushing multi-arch image..."
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docker buildx build --platform linux/amd64,linux/arm64 $TAGS --push .
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echo "✓ Pushed to ECR"

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