70 lines
2.3 KiB
Docker
70 lines
2.3 KiB
Docker
# GoChat Dockerfile — Multi-stage build with security hardening
|
|
# Reference: Chatwoot docker/Dockerfile multi-stage pattern + security best practices
|
|
|
|
# ========== Build Stage ==========
|
|
FROM golang:1.24-alpine AS builder
|
|
|
|
# Build arguments for version injection
|
|
ARG VERSION=dev
|
|
ARG COMMIT_SHA=unknown
|
|
ARG BUILD_DATE=unknown
|
|
|
|
WORKDIR /app
|
|
|
|
# Install git for go mod download with private repos
|
|
RUN apk add --no-cache git
|
|
|
|
# Dependency layer — cached unless go.mod/go.sum change
|
|
COPY go.mod go.sum ./
|
|
RUN go mod download
|
|
|
|
# Copy source code
|
|
COPY . .
|
|
|
|
# Build with version info injected via ldflags
|
|
RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 \
|
|
go build -ldflags="-s -w \
|
|
-X github.com/gochat/gochat/internal/config.Version=${VERSION} \
|
|
-X github.com/gochat/gochat/internal/config.CommitSHA=${COMMIT_SHA} \
|
|
-X github.com/gochat/gochat/internal/config.BuildDate=${BUILD_DATE}" \
|
|
-o /gochat ./cmd/gochat/
|
|
|
|
# Build worker binary (same source, --worker-only flag in main)
|
|
RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 \
|
|
go build -ldflags="-s -w \
|
|
-X github.com/gochat/gochat/internal/config.Version=${VERSION} \
|
|
-X github.com/gochat/gochat/internal/config.CommitSHA=${COMMIT_SHA} \
|
|
-X github.com/gochat/gochat/internal/config.BuildDate=${BUILD_DATE}" \
|
|
-o /gochat-worker ./cmd/gochat/
|
|
|
|
# ========== Production Stage ==========
|
|
FROM alpine:3.21
|
|
|
|
# Install runtime dependencies
|
|
RUN apk --no-cache add ca-certificates tzdata curl && addgroup -S gochat && adduser -S gochat -G gochat
|
|
|
|
WORKDIR /app
|
|
|
|
# Copy binary and configs from builder
|
|
COPY --from=builder /gochat /app/gochat
|
|
COPY --from=builder /gochat-worker /app/gochat-worker
|
|
COPY configs/ /app/configs/
|
|
COPY migrations/ /app/migrations/
|
|
|
|
# Set ownership to non-root user
|
|
RUN mkdir -p /app/storage/uploads && chown -R gochat:gochat /app
|
|
|
|
# Switch to non-root user for security
|
|
USER gochat
|
|
|
|
# Health check — references the /health endpoint we will add
|
|
HEALTHCHECK --interval=30s --timeout=5s --start-period=10s --retries=3 CMD curl -f http://localhost:3000/health || exit 1
|
|
|
|
EXPOSE 3000
|
|
|
|
# Default entrypoint — can be overridden for worker mode:
|
|
# docker run gochat/gochat serve → API server
|
|
# docker run gochat/gochat serve --worker-only → background worker
|
|
ENTRYPOINT ["/app/gochat"]
|
|
CMD ["serve"]
|