58 lines
1.3 KiB
Docker
58 lines
1.3 KiB
Docker
# Build stage
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FROM golang:1.25-alpine AS builder
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# Install build dependencies
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RUN apk add --no-cache git ca-certificates tzdata
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# Set working directory
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WORKDIR /build
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# Copy go mod files
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COPY go.mod go.sum ./
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# Download dependencies
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RUN go mod download
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# Copy source code
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COPY . .
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# Build the binary
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# CGO_ENABLED=0 for static binary (no C dependencies)
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# -ldflags="-s -w" strips debug info to reduce binary size
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RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build \
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-ldflags="-s -w" \
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-o /build/vaultwarden-api \
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./cmd/api
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# Final stage - minimal runtime image
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FROM alpine:3.19
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# Install CA certificates for HTTPS and wget for healthcheck
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RUN apk --no-cache add ca-certificates wget
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# Create non-root user for security
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RUN addgroup -g 1000 appuser && \
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adduser -D -u 1000 -G appuser appuser
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# Set working directory
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WORKDIR /app
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# Copy binary from builder
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COPY --from=builder /build/vaultwarden-api .
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# Change ownership to non-root user
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RUN chown -R appuser:appuser /app
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# Switch to non-root user
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USER appuser
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# Expose port
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EXPOSE 8080
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# Health check
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HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
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CMD wget --no-verbose --tries=1 --spider http://localhost:8080/health || exit 1
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# Run the application
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ENTRYPOINT ["/app/vaultwarden-api"]
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