smeden/go-micro-service
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Mads Smed
2025-11-23 16:38:18 +01:00
parent 5fdb97b03d
commit 0215bdd6a6
1 changed files with 5 additions and 9 deletions
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@@ -3,35 +3,31 @@
# ------------------------------------------------------------ # ------------------------------------------------------------
FROM golang:1.25-alpine AS builder FROM golang:1.25-alpine AS builder
# Install build tools
RUN apk add --no-cache git RUN apk add --no-cache git
WORKDIR /app WORKDIR /app
# Download dependencies first (better caching) # Dependencies first (cache friendly)
COPY go.mod go.sum ./ COPY go.mod go.sum ./
RUN go mod download RUN go mod download
# Copy source # Copy the entire codebase
COPY . . COPY . .
# Build statically for small final image # Build for the architecture of the host (ARM64 runner)
RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -o server . RUN CGO_ENABLED=0 go build -o server .
# ------------------------------------------------------------ # ------------------------------------------------------------
# 2. Final minimal image # 2. Final minimal runtime image
# ------------------------------------------------------------ # ------------------------------------------------------------
FROM alpine:3.20 FROM alpine:3.20
# Add non-root user for security
RUN adduser -D -g '' appuser RUN adduser -D -g '' appuser
WORKDIR /app WORKDIR /app
# Copy compiled binary
COPY --from=builder /app/server . COPY --from=builder /app/server .
# Expose Gin port (change if your app uses another)
EXPOSE 8080 EXPOSE 8080
USER appuser USER appuser