Exchange curl for wget in healthcheck

Dockerfile

@@ -43,7 +43,6 @@ ENV CONDUIT_CONFIG="/srv/conduit/conduit.toml"
 
 # Conduit needs:
 #   ca-certificates: for https
-#   curl: for the container's healtcheck 
 #   libgcc: Apparently this is needed, even if I (@jfowl) don't know exactly why. But whatever, it's not that big.
 RUN apk add --no-cache \
         ca-certificates \

docker/ci-binaries-packaging.Dockerfile

@@ -19,11 +19,9 @@ ENV CONDUIT_CONFIG="/srv/conduit/conduit.toml"
 
 # Conduit needs:
 #   ca-certificates: for https
-#   curl: for the container's healtcheck 
 #   libgcc: Apparently this is needed, even if I (@jfowl) don't know exactly why. But whatever, it's not that big.
 RUN apk add --no-cache \
         ca-certificates \
-        curl \
         libgcc
 
 

docker/healthcheck.sh

@@ -7,7 +7,7 @@ fi
 
 # The actual health check.
 # We try to first get a response on HTTP and when that fails on HTTPS and when that fails, we exit with code 1.
-# TODO: Change this to a single curl call. Do we have a config value that we can check for that?
-curl --fail -s "http://localhost:${CONDUIT_PORT}/_matrix/client/versions" || \
-    curl -k --fail -s "https://localhost:${CONDUIT_PORT}/_matrix/client/versions" || \
+# TODO: Change this to a single wget call. Do we have a config value that we can check for that?
+wget --no-verbose --tries=1 --spider "http://localhost:${CONDUIT_PORT}/_matrix/client/versions" || \
+    wget --no-verbose --tries=1 --spider "https://localhost:${CONDUIT_PORT}/_matrix/client/versions" || \
     exit 1