Create dockerfile

Author: danyalprout

.github/workflows/docker-build.yml

@@ -0,0 +1,25 @@
+name: Docker Build
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Build Docker image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          push: false
+          tags: transaction-latency:latest
+          cache-from: type=gha
+          cache-to: type=gha,mode=max 

Dockerfile

@@ -0,0 +1,11 @@
+FROM golang:1.24-alpine AS builder
+WORKDIR /app
+COPY go.mod go.sum ./
+RUN go mod download
+COPY . .
+RUN CGO_ENABLED=0 GOOS=linux go build -o main .
+
+FROM alpine:latest
+WORKDIR /app
+COPY --from=builder /app/main .
+CMD ["./main"]