veza/veza-backend-api/Dockerfile.production
2025-12-03 20:29:37 +01:00

67 lines
1.7 KiB
Text

# Production Dockerfile for Backend API
# Optimized for smaller size and security
# Build stage
FROM golang:1.23-alpine AS builder
WORKDIR /app
# Install build dependencies
RUN apk add --no-cache git ca-certificates tzdata
# Copy go mod files first for better caching
COPY go.mod go.sum ./
# Download dependencies (this layer will be cached if go.mod/go.sum don't change)
RUN go mod download
# Copy source code
COPY . .
# Build the application with optimizations
# - CGO_ENABLED=0: static binary, no C dependencies
# - -ldflags="-w -s": strip debug info and symbol table
# - -trimpath: remove file system paths from binaries
RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build \
-a -installsuffix cgo \
-ldflags="-w -s -extldflags '-static'" \
-trimpath \
-o veza-api \
./main.go
# Runtime stage - minimal alpine
FROM alpine:latest
# Install only runtime dependencies
RUN apk --no-cache add ca-certificates tzdata && \
# Add wget for health checks
apk --no-cache add wget && \
# Clean up apk cache
rm -rf /var/cache/apk/*
# Create non-root user for security
RUN addgroup -g 1001 -S app && \
adduser -S app -u 1001 -G app -h /app -s /bin/sh
# Create app directory
WORKDIR /app
# Copy binary from builder
COPY --from=builder --chown=app:app /app/veza-api /app/veza-api
# Copy migrations if they exist
COPY --from=builder --chown=app:app /app/migrations /app/migrations 2>/dev/null || true
# Switch to non-root user
USER app
# Expose port
EXPOSE 8080
# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=40s --retries=3 \
CMD wget --no-verbose --tries=1 --spider http://localhost:8080/health || exit 1
# Run the application
ENTRYPOINT ["./veza-api"]