145 lines
5.5 KiB
Docker
145 lines
5.5 KiB
Docker
# Alpine-based MUSL static binary builder for Didactyl
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# Produces truly portable binaries with zero runtime dependencies
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ARG DEBUG_BUILD=false
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FROM alpine:3.19 AS builder
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# Re-declare build argument in this stage
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ARG DEBUG_BUILD=false
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# Install build dependencies (with retry logic for transient mirror/network failures)
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RUN set -eux; \
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printf '%s\n' \
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'https://dl-cdn.alpinelinux.org/alpine/v3.19/main' \
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'https://dl-cdn.alpinelinux.org/alpine/v3.19/community' \
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> /etc/apk/repositories; \
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APK_OK=0; \
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for attempt in 1 2 3 4 5; do \
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if apk update && apk add --no-cache \
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build-base \
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musl-dev \
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git \
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cmake \
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pkgconfig \
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autoconf \
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automake \
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libtool \
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openssl-dev \
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openssl-libs-static \
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zlib-dev \
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zlib-static \
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curl-dev \
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curl-static \
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nghttp2-dev \
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nghttp2-static \
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c-ares-dev \
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c-ares-static \
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libpsl-dev \
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libpsl-static \
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libidn2-dev \
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libidn2-static \
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libunistring-dev \
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libunistring-static \
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brotli-dev \
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brotli-static \
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zstd-dev \
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zstd-static \
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sqlite-dev \
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sqlite-static \
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linux-headers \
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wget \
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bash; then \
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APK_OK=1; \
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break; \
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fi; \
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echo "apk dependency install failed (attempt ${attempt}/5), retrying..."; \
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sleep $((attempt * 2)); \
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done; \
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if [ "$APK_OK" -ne 1 ]; then \
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echo "ERROR: failed to install Alpine dependencies after 5 attempts"; \
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exit 33; \
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fi
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# Set working directory
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WORKDIR /build
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# Build libsecp256k1 static (cached layer - only rebuilds if Alpine version changes)
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RUN cd /tmp && \
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git clone https://github.com/bitcoin-core/secp256k1.git && \
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cd secp256k1 && \
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./autogen.sh && \
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./configure --enable-static --disable-shared --prefix=/usr \
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CFLAGS="-fPIC" && \
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make -j$(nproc) && \
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make install && \
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rm -rf /tmp/secp256k1
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# Copy nostr_core_lib source files (cached unless nostr_core_lib changes)
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# NOTE: nostr_core_lib currently compiles request_validator, which includes <sqlite3.h>,
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# so sqlite-dev/sqlite-static are required in this image even if didactyl does not use sqlite directly.
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COPY nostr_core_lib /build/nostr_core_lib/
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# Build nostr_core_lib with all NIPs
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# Disable fortification in build.sh to prevent __*_chk symbol issues
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RUN cd nostr_core_lib && \
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chmod +x build.sh && \
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sed -i 's/CFLAGS="-Wall -Wextra -std=c99 -fPIC -O2"/CFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0 -Wall -Wextra -std=c99 -fPIC -O2"/' build.sh && \
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sed -i 's/CC="aarch64-linux-gnu-gcc"/CC="gcc"/' build.sh && \
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rm -f *.o *.a 2>/dev/null || true && \
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./build.sh --nips=all
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# Copy didactyl source files LAST (only this layer rebuilds on source changes)
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COPY src/ /build/src/
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COPY Makefile /build/Makefile
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# Build didactyl with full static linking (only rebuilds when src/ changes)
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# Disable fortification to avoid __*_chk symbols that don't exist in MUSL
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# Use conditional compilation flags based on DEBUG_BUILD argument
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RUN NOSTR_LIB=$(ls /build/nostr_core_lib/libnostr_core_*.a 2>/dev/null | head -1) && \
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if [ -z "$NOSTR_LIB" ]; then echo "ERROR: nostr_core_lib .a not found"; exit 1; fi && \
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echo "Using nostr library: $NOSTR_LIB" && \
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if [ "$DEBUG_BUILD" = "true" ]; then \
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CFLAGS="-g -O2 -DDEBUG"; \
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STRIP_CMD="echo 'Keeping debug symbols'"; \
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echo "Building with DEBUG symbols enabled (optimized with -O2)"; \
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else \
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CFLAGS="-O2"; \
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STRIP_CMD="strip /build/didactyl_static"; \
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echo "Building optimized production binary (symbols stripped)"; \
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fi && \
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CURL_LIBS="$(pkg-config --static --libs libcurl)" && \
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OPENSSL_LIBS="$(pkg-config --static --libs openssl)" && \
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gcc -static $CFLAGS -Wall -Wextra -std=c99 \
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-D_GNU_SOURCE -D_DEFAULT_SOURCE -D_POSIX_C_SOURCE=200809L -DMG_TLS=MG_TLS_BUILTIN \
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-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0 \
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-I. -Isrc -Isrc/tools -Inostr_core_lib -Inostr_core_lib/nostr_core \
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-Inostr_core_lib/cjson -Inostr_core_lib/nostr_websocket \
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src/main.c src/config.c src/context.c src/llm.c \
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src/nostr_handler.c src/agent.c src/tools/tools_common.c src/tools/tools_schema.c src/tools/tools_dispatch.c \
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src/tools/tool_agent.c src/tools/tool_meta.c src/tools/tool_model.c \
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src/tools/tool_nostr_query.c src/tools/tool_nostr_my_events.c src/tools/tool_nostr_identity.c src/tools/tool_nostr_social.c \
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src/tools/tool_nostr_relay.c src/tools/tool_nostr_dm.c src/tools/tool_admin.c \
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src/tools/tool_task.c src/tools/tool_nostr_list.c src/tools/tool_nostr_block.c src/tools/tool_local.c \
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src/tools/tool_skill.c src/tools/tool_nostr_post.c src/tools/tool_memory.c src/tools/tool_config.c src/tools/tool_cashu_wallet.c src/tools/tool_blossom.c src/trigger_manager.c \
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src/cashu_wallet.c src/nostr_block_list.c src/prompt_template.c src/http_api.c src/setup_wizard.c src/mongoose.c src/debug.c \
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-o /build/didactyl_static \
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$NOSTR_LIB \
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-lsecp256k1 \
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$OPENSSL_LIBS \
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$CURL_LIBS \
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-lpthread -lm -ldl && \
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eval "$STRIP_CMD"
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# Verify it's truly static
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RUN echo "=== Binary Information ===" && \
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file /build/didactyl_static && \
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ls -lh /build/didactyl_static && \
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echo "=== Checking for dynamic dependencies ===" && \
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(ldd /build/didactyl_static 2>&1 || echo "Binary is static") && \
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echo "=== Build complete ==="
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# Output stage - just the binary
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FROM scratch AS output
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COPY --from=builder /build/didactyl_static /didactyl_static
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