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v0.7.9 - Optimize Docker build caching and enforce static binary usage

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- Restructure Dockerfile.alpine-musl for better layer caching
  * Build dependencies (secp256k1, libwebsockets) in separate cached layers
  * Copy submodules before source files to maximize cache hits
  * Reduce rebuild time from ~2-3 minutes to ~10-15 seconds for source changes
- Remove 'musl' from binary names (c_relay_static_x86_64 instead of c_relay_static_musl_x86_64)
- Enforce static binary usage in make_and_restart_relay.sh
  * Remove all fallbacks to regular make builds
  * Exit with clear error if static binary not found
  * Ensures JSON1 extension is always available
- Fix build_static.sh hanging on ldd check with timeout
- Remove sudo usage from build_static.sh (assumes docker group membership)

These changes ensure consistent builds with JSON1 support and dramatically improve
development iteration speed through intelligent Docker layer caching.
This commit is contained in:
Your Name
2025-10-11 11:08:01 -04:00
parent ecd7095123
commit b27a56a296
5 changed files with 60 additions and 36 deletions
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12
Dockerfile.alpine-musl
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@@ -98,22 +98,22 @@ RUN gcc -static -O2 -Wall -Wextra -std=c99 \
src/main.c src/config.c src/dm_admin.c src/request_validator.c \
src/nip009.c src/nip011.c src/nip013.c src/nip040.c src/nip042.c \
src/websockets.c src/subscriptions.c src/api.c src/embedded_web_content.c \
-o /build/c_relay_static_musl \
-o /build/c_relay_static \
nostr_core_lib/libnostr_core_x64.a \
-lwebsockets -lssl -lcrypto -lsqlite3 -lsecp256k1 \
-lcurl -lz -lpthread -lm -ldl
# Strip binary to reduce size
RUN strip /build/c_relay_static_musl
RUN strip /build/c_relay_static
# Verify it's truly static
RUN echo "=== Binary Information ===" && \
file /build/c_relay_static_musl && \
ls -lh /build/c_relay_static_musl && \
file /build/c_relay_static && \
ls -lh /build/c_relay_static && \
echo "=== Checking for dynamic dependencies ===" && \
(ldd /build/c_relay_static_musl 2>&1 || echo "Binary is static") && \
(ldd /build/c_relay_static 2>&1 || echo "Binary is static") && \
echo "=== Build complete ==="
# Output stage - just the binary
FROM scratch AS output
COPY --from=builder /build/c_relay_static_musl /c_relay_static_musl
COPY --from=builder /build/c_relay_static /c_relay_static