Dockerfile

# Build stage
FROM golang:1.22-alpine AS builder

WORKDIR /build

# Add build arguments
ARG VERSION
ARG GIT_COMMIT
ARG BUILD_DATE

# Install build dependencies
RUN apk add --no-cache git

# Copy go mod files
COPY go.mod go.sum ./
RUN go mod download

# Copy source code
COPY . .

# Verify module dependencies
RUN go mod verify

# Build the application
RUN CGO_ENABLED=0 GOOS=linux go build -ldflags "-X github.com/NeuralTrust/ai-gateway-ce/pkg/version.Version=${VERSION} \
                      -X github.com/NeuralTrust/ai-gateway-ce/pkg/version.GitCommit=${GIT_COMMIT} \
                      -X github.com/NeuralTrust/ai-gateway-ce/pkg/version.BuildDate=${BUILD_DATE}" \
    -o gateway ./cmd/gateway

# Final stage
FROM alpine:3.18

WORKDIR /app

# Install runtime dependencies
RUN apk add --no-cache ca-certificates tzdata

# Copy binary and config files
COPY --from=builder /build/gateway /app/
COPY config/ /app/config/

# Set environment variables
ENV GIN_MODE=release

# Add entrypoint script
COPY scripts/docker-entrypoint.sh /app/
RUN chmod +x /app/docker-entrypoint.sh

EXPOSE 8080 8081

ENTRYPOINT ["/app/docker-entrypoint.sh"]