63 lines
1.5 KiB
Docker
63 lines
1.5 KiB
Docker
# Multi-stage build for efficient image size
|
|
FROM docker.io/library/golang:1.23-alpine AS builder
|
|
|
|
# Install build dependencies
|
|
RUN apk add --no-cache git ca-certificates wget
|
|
|
|
# Create non-root user for building
|
|
RUN addgroup -S appgroup && adduser -S appuser -G appgroup
|
|
|
|
# Set working directory
|
|
WORKDIR /app
|
|
|
|
# Copy go mod files first for better layer caching
|
|
COPY go.mod go.sum ./
|
|
|
|
# Download dependencies
|
|
RUN go mod download
|
|
|
|
# Copy source code
|
|
COPY . .
|
|
|
|
# Build the application
|
|
RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build \
|
|
-ldflags='-w -s -extldflags "-static"' \
|
|
-a -installsuffix cgo \
|
|
-o api-key-service \
|
|
./cmd/server
|
|
|
|
# Final stage - minimal image
|
|
FROM docker.io/library/alpine:3.18
|
|
|
|
# Install runtime dependencies
|
|
RUN apk --no-cache add ca-certificates wget tzdata
|
|
|
|
# Create non-root user
|
|
RUN addgroup -S appgroup && adduser -S appuser -G appgroup
|
|
|
|
# Create directory for the application
|
|
WORKDIR /app
|
|
|
|
# Copy binary from builder stage
|
|
COPY --from=builder /app/api-key-service /app/api-key-service
|
|
|
|
# Copy migration files
|
|
COPY --from=builder /app/migrations /app/migrations
|
|
|
|
# Change ownership to non-root user
|
|
RUN chown -R appuser:appgroup /app && \
|
|
chmod -R 755 /app/migrations
|
|
|
|
# Switch to non-root user
|
|
USER appuser
|
|
|
|
# Expose ports
|
|
EXPOSE 8080 9090
|
|
|
|
# Health check
|
|
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
|
|
CMD wget --quiet --tries=1 --spider http://localhost:8080/health || exit 1
|
|
|
|
# Run the application
|
|
CMD ["/app/api-key-service"]
|