Switched to using Alpine Linux (alpine:3.20.2) as the base system to …

…minimize image size.

CHANGELOG.md

@@ -4,12 +4,17 @@ All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](http://keepachangelog.com/).
 
+## r3 - 2024-08-29
+
+### Changed
+- Switched base system from `debian:bookworm-slim` to `alpine:3.20.2`
+
 ## r2 - 2024-08-27
 
 ### Changed
 - swtpm: Updated to revision `54583a87b53623dbb04f9318c68e3d85246a6f9d`  (2024-08-27)
 - libtpms: Updated to revision `2dc1af12e5b09a7f9eaf2dee47737b63ddfd7cb7` (2024-08-21)
-- Switched base from `debian:bookworm` to `debian:bookworm-slim`
+- Switched base system from `debian:bookworm` to `debian:bookworm-slim`
 
 ## r1 - 2024-08-27
 

Dockerfile

@@ -1,45 +1,46 @@
 # Docker file for SWTPM
-FROM debian:bookworm-slim
-
-ENV DEBIAN_FRONTEND=noninteractive
+FROM alpine:3.20.2
 
+# Versions
 ARG LTPMS_COMMIT=2dc1af12e5b09a7f9eaf2dee47737b63ddfd7cb7
 ARG SWTPM_COMMIT=54583a87b53623dbb04f9318c68e3d85246a6f9d
 
-# Install libtpms and swtpm dependencies
-RUN apt-get update && \
-    apt-get install -y \
+# Install required dependencies
+RUN apk add --no-cache \
     autoconf \
-    build-essential \
+    automake \
+    bash \
+    build-base \
     curl \
-    libgmp-dev \
-    libjson-glib-dev \
+    gmp-dev \
+    gnutls-dev \
+    json-glib-dev \
     libseccomp-dev \
-    libssl-dev \
-    libtasn1-6-dev \
+    libtasn1-dev \
     libtool \
-    pkg-config
+    make \
+    openssl-dev
 
 # Build libtpms
 RUN mkdir -p /tmp/libtpms-src \
     && curl --tlsv1.2 -sSfL https://github.com/stefanberger/libtpms/archive/${LTPMS_COMMIT}.tar.gz | tar -C /tmp/libtpms-src --strip-components=1 -xzv \
     && cd /tmp/libtpms-src \
-    && ./autogen.sh --prefix=/opt/swtpm $LIBTPMS_AUTOGEN_EXTRA --with-openssl --with-tpm2 --disable-tests \
+    && ./autogen.sh --prefix=/usr --libdir=/usr/lib --with-tpm2 --with-openssl --disable-tests \
     && make -j$(nproc) \
-    && make install \
-    && cd ~ \
+    && make -j$(nproc) install \
+    && cd - \
     && rm -vfr /tmp/libtpms-src
 
 # Build SWTPM
 RUN mkdir -p /tmp/swtpm-src \
     && curl --tlsv1.2 -sSfL https://github.com/stefanberger/swtpm/archive/${SWTPM_COMMIT}.tar.gz | tar -C /tmp/swtpm-src --strip-components=1 -xzv \
     && cd /tmp/swtpm-src \
-    && PKG_CONFIG_PATH=/opt/swtpm/lib/pkgconfig ./autogen.sh --prefix=/opt/swtpm --libdir=/opt/swtpm/lib --disable-tests \
-    && make -j$(nproc) $SWTPM_MAKE_EXTRA \
-    && make install \
-    && cd ~ \
+    && ./autogen.sh --prefix=/usr --libdir=/usr/lib --with-openssl --disable-tests \
+    && make -j$(nproc) \
+    && make -j$(nproc) install \
+    && cd - \
     && rm -vfr /tmp/swtpm-src
 
 # Start SWTPM Server
-ENTRYPOINT ["/opt/swtpm/bin/swtpm"]
-CMD ["socket", "--tpm2", "--server", "port=2321,bindaddr=0.0.0.0,disconnect", "--ctrl", "type=tcp,port=2322,bindaddr=0.0.0.0", "--flags", "not-need-init"]
+ENTRYPOINT ["/usr/bin/swtpm"]
+CMD ["socket", "--tpm2", "--server", "port=2321,bindaddr=0.0.0.0", "--ctrl", "type=tcp,port=2322,bindaddr=0.0.0.0"]