predictor/Dockerfile
2025-06-23 04:19:26 +03:00

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Docker

# Build stage
FROM golang:1.24.4-alpine AS builder
# Install build dependencies
RUN apk add --no-cache git ca-certificates tzdata
# Set working directory
WORKDIR /app
# Copy go mod files
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" \
-o predictor \
./cmd/api
# Runtime stage
FROM alpine:3.19
# Install runtime dependencies
RUN apk add --no-cache ca-certificates tzdata
# Create non-root user
RUN addgroup -g 1001 -S appgroup && \
adduser -u 1001 -S appuser -G appgroup
# Set working directory
WORKDIR /app
# Copy binary from builder stage
COPY --from=builder /app/predictor .
# Create necessary directories
RUN mkdir -p /tmp/grib && \
chown -R appuser:appgroup /app /tmp/grib
# Switch to non-root user
USER appuser
# Expose port
EXPOSE 8080
# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
CMD wget --no-verbose --tries=1 --spider http://localhost:8080/health || exit 1
# Run the application
CMD ["./predictor"]