Pin versions in Dockerfile

Dockerfile

@@ -1,32 +1,29 @@
 FROM rust:1.60-alpine
 
-LABEL "com.github.actions.name"="Rust Release binary"
-LABEL "com.github.actions.description"="Automate publishing Rust build artifacts for GitHub releases through GitHub Actions"
-LABEL "com.github.actions.icon"="box"
-LABEL "com.github.actions.color"="orange"
-
 LABEL "name"="Automate publishing Rust build artifacts for GitHub releases through GitHub Actions"
 LABEL "version"="1.3.1"
 LABEL "repository"="http://github.com/rust-build/rust-build.action"
 LABEL "maintainer"="Douile <[email protected]>"
 
 # Add regular dependencies
-RUN apk add --no-cache curl jq git build-base bash zip upx
+RUN apk add --no-cache curl=7.80.0-r1 jq=1.6-r1 git=2.34.2-r0 build-base=0.5-r2 bash=5.1.16-r0 \
+  zip=3.0-r9 upx=3.96-r1
 
 # Add windows dependencies
-RUN apk add --no-cache mingw-w64-gcc
+RUN apk add --no-cache mingw-w64-gcc=11.2.0-r0
 
 # Add emscripten dependencies
-RUN apk add --no-cache emscripten-fastcomp
+RUN apk add --no-cache emscripten-fastcomp=1.40.1-r1
 
 # Add apple dependencies
-RUN apk add --no-cache clang cmake libxml2-dev openssl-dev fts-dev bsd-compat-headers xz
+RUN apk add --no-cache clang=12.0.1-r1 cmake=3.21.3-r0 libxml2-dev=2.9.13-r0 \
+  openssl-dev=1.1.1n-r0 fts-dev=1.2.7-r1 bsd-compat-headers=0.7.2-r3 xz=5.2.5-r1
 RUN git clone https://github.com/tpoechtrager/osxcross /opt/osxcross
 RUN curl -Lo /opt/osxcross/tarballs/MacOSX10.10.sdk.tar.xz "https://s3.dockerproject.org/darwin/v2/MacOSX10.10.sdk.tar.xz"
 RUN ["/bin/bash", "-c", "cd /opt/osxcross && UNATTENDED=yes OSX_VERSION_MIN=10.8 ./build.sh"]
 
-COPY entrypoint.sh ./entrypoint.sh
-COPY build.sh ./build.sh
+COPY entrypoint.sh /entrypoint.sh
+COPY build.sh /build.sh
 
 RUN chmod +x /entrypoint.sh /build.sh