Merge pull request #53 from palfrey/static-ssl

Linux build wasn't fully static

Author: palfrey

.github/workflows/linux.yml

@@ -62,4 +62,13 @@ jobs:
           docker run --name wait_for_db wait_for_db --help
       - name: Docker copy
         run: |
-          docker cp wait_for_db:/wait_for_db wait-for-db-linux-x86
+          docker cp wait_for_db:/wait_for_db wait-for-db-linux-x86
+      - name: ldd check
+        run: |
+          ldd wait-for-db-linux-x86 | grep "statically linked"
+          retVal=$?
+          if [ $retVal -ne 0 ]; then
+            ldd wait-for-db-linux-x86
+            echo Found local non-static refs!            
+            exit 1
+          fi

Dockerfile

@@ -1,11 +1,13 @@
 FROM alpine:3.13 as builder
 
-RUN apk add --no-cache rustup gcc file unixodbc-dev unixodbc-static libltdl-static musl-dev openssl-dev
+RUN apk add --no-cache rustup gcc file unixodbc-dev unixodbc-static libltdl-static musl-dev openssl-dev openssl-libs-static
 RUN rustup-init -y --default-host x86_64-unknown-linux-musl --profile minimal
 ENV PATH=$PATH:/root/.cargo/bin
 
 WORKDIR /app
-ENV OPENSSL_STATIC=true
+ENV OPENSSL_STATIC=yes
+ENV OPENSSL_LIB_DIR=/usr/lib
+ENV OPENSSL_INCLUDE_DIR=/usr/include
 ADD . ./
 RUN cargo build --release --target=x86_64-unknown-linux-musl
 RUN strip ./target/x86_64-unknown-linux-musl/release/wait_for_db