Add new container for upstream CI/CD

codecov/Dockerfile

@@ -0,0 +1,25 @@
+FROM alpine
+
+RUN set -eux; \
+    apk add --no-cache --virtual .gosu-deps \
+    		ca-certificates \
+            curl \
+    		dpkg \
+    		gnupg \
+            perl-utils \
+    	; \
+# verify the signature
+	export GNUPGHOME="$(mktemp -d)"; \
+    curl https://keybase.io/codecovsecurity/pgp_keys.asc | gpg --no-default-keyring --keyring trustedkeys.gpg --import; \
+    curl -Os https://uploader.codecov.io/latest/alpine/codecov; \
+    curl -Os https://uploader.codecov.io/latest/alpine/codecov.SHA256SUM; \
+    curl -Os https://uploader.codecov.io/latest/alpine/codecov.SHA256SUM.sig; \
+    gpgv codecov.SHA256SUM.sig codecov.SHA256SUM; \
+    shasum -a 256 -c codecov.SHA256SUM; \
+    command -v gpgconf && gpgconf --kill all || :; \
+    rm -rf "$GNUPGHOME" codecov.SHA256SUM codecov.SHA256SUM.sig; \
+    mv codecov /usr/local/bin/codecov; \
+# clean up fetch dependencies
+	apk del --no-network .gosu-deps; \
+    chmod +x /usr/local/bin/codecov; \
+    codecov --version;