Created a base to build on

Dockerfile

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+# Build Stage
+FROM golang:1.23-alpine AS builder
+
+WORKDIR /app
+
+# Install git and build dependencies
+RUN apk add --no-cache git
+
+# Copy go mod and sum files
+COPY go.mod go.sum ./
+
+# Download dependencies
+RUN go mod download
+
+# Copy source code
+COPY . .
+
+# Build the application
+# CGO_ENABLED=0 ensures a static binary
+ARG TARGETOS TARGETARCH
+RUN CGO_ENABLED=0 GOOS=$TARGETOS GOARCH=$TARGETARCH go build -o api-server ./cmd/api/main.go
+
+# Runtime Stage
+FROM alpine:latest
+
+WORKDIR /app
+
+# Install ca-certificates for database connections (TLS)
+RUN apk add --no-cache ca-certificates
+
+# Copy the binary from the builder stage
+COPY --from=builder /app/api-server .
+
+# Copy migrations
+COPY --from=builder /app/db/migrations ./db/migrations
+
+# Expose the application port
+EXPOSE 8080
+
+# Environment variables with defaults (can be overridden)
+ENV PORT=8080
+ENV DATABASE_URL=""
+
+# Run the binary
+CMD ["./api-server"]