using minver to get the semver

Author: thefringeninja

.dockerignore

@@ -7,4 +7,5 @@ docker-compose*
 .vscode/**
 .idea/**
 build/**
-dist/**
+dist/**
+build.sh

Dockerfile

@@ -1,6 +1,15 @@
+FROM microsoft/dotnet:2.1.500-sdk-alpine3.7 as version
+
+WORKDIR /src
+
+COPY .git ./
+
+RUN apk add libcurl && \
+    dotnet tool install -g minver-cli --version 1.0.0-alpha.15 && \
+    /root/.dotnet/tools/minver > .version
+
 FROM node:10.12.0-alpine AS build
 ARG MYGET_API_KEY
-ARG VERSION
 
 WORKDIR /app
 
@@ -18,9 +27,11 @@ RUN echo "https://www.myget.org/F/sqlstreamstore/npm/:_authToken=${MYGET_API_KEY
     echo "@sql-stream-store:registry=https://www.myget.org/F/sqlstreamstore/npm/" >> .npmrc
 
 RUN test -z "$MYGET_API_KEY" || \
-    yarn publish --new-version $VERSION && \
+    yarn publish --new-version $(cat .version) && \
     echo "No API key found, skipping publishing..."
 
+COPY --from=version /src/.version /app/build
+
 FROM nginx:1.15.5-alpine AS runtime
 
 COPY ./nginx/nginx.conf /etc/nginx/nginx.conf
@@ -31,4 +42,4 @@ COPY --from=build /app/build/ /var/www/
 
 EXPOSE 80
 
-ENTRYPOINT ["nginx", "-g", "daemon off;"]
+ENTRYPOINT ["nginx", "-g", "daemon off;"]

build.sh

@@ -1,41 +1,40 @@
 #!/usr/bin/env bash
 
+LOCAL_IMAGE="sql-stream-store-browser"
+LOCAL="${LOCAL_IMAGE}:latest"
+
+REMOTE_IMAGE="sql-stream-store/browser"
+
+docker build \
+    --build-arg MYGET_API_KEY=$MYGET_API_KEY \
+    --tag ${LOCAL} \
+    .
+
+VERSION=$(docker run --entrypoint=cat ${LOCAL} /var/www/.version)
+
 SEMVER_REGEX="^(0|[1-9][0-9]*)\\.(0|[1-9][0-9]*)\\.(0|[1-9][0-9]*)(\\-[0-9A-Za-z-]+(\\.[0-9A-Za-z-]+)*)?(\\+[0-9A-Za-z-]+(\\.[0-9A-Za-z-]+)*)?$"
 
 [[ $VERSION =~ $SEMVER_REGEX ]]
 
-IMAGE="sql-stream-store-browser"
-MAJOR="${IMAGE}.${BASH_REMATCH[1]}"
-MAJOR_MINOR="${IMAGE}.${BASH_REMATCH[1]}.${BASH_REMATCH[2]}"
-MAJOR_MINOR_PATCH="${IMAGE}.${BASH_REMATCH[1]}.${BASH_REMATCH[2]}.${BASH_REMATCH[3]}"
-MAJOR_MINOR_PATCH_PRE="${IMAGE}.${BASH_REMATCH[1]}.${BASH_REMATCH[2]}.${BASH_REMATCH[3]}${BASH_REMATCH[4]}"
-LATEST="${IMAGE}:latest"
-if [[ -z $VERSION ]]
-then
-    echo "Detected no version information, assuming local build."
-    docker build \
-        --tag ${LATEST} \
-        .
-
-elif [[ $TRAVIS_TAG && -z ${BASH_REMATCH[4]} ]]
-then
+LATEST="${REMOTE_IMAGE}:latest"
+MAJOR="${REMOTE_IMAGE}:${BASH_REMATCH[1]}"
+MAJOR_MINOR="${REMOTE_IMAGE}:${BASH_REMATCH[1]}.${BASH_REMATCH[2]}"
+MAJOR_MINOR_PATCH="${REMOTE_IMAGE}:${BASH_REMATCH[1]}.${BASH_REMATCH[2]}.${BASH_REMATCH[3]}"
+MAJOR_MINOR_PATCH_PRE="${REMOTE_IMAGE}:${BASH_REMATCH[1]}.${BASH_REMATCH[2]}.${BASH_REMATCH[3]}${BASH_REMATCH[4]}"
+
+if [[ -n $TRAVIS_TAG && -z ${BASH_REMATCH[4]} ]]; then
     echo "Detected a tag with no prerelease."
-    docker build \
-        --build-arg VERSION=$VERSION \
-        --build-arg MYGET_API_KEY=$MYGET_API_KEY \
-        --tag ${MAJOR} \
-        --tag ${MAJOR_MINOR} \
-        --tag ${MAJOR_MINOR_PATCH} \
-        --tag ${LATEST} \
-        .
+    docker tag $LOCAL $LATEST
+    docker tag $LOCAL $MAJOR_MINOR_PATCH
+    docker tag $LOCAL $MAJOR_MINOR
+    if [[ ${BASH_REMATCH[1]} != "0" ]]; then
+        docker tag $LOCAL $MAJOR
+    else
+        echo "Detected unstable version."
+    fi
 else
     echo "Detected a prerelease."
-    docker build \
-        --build-arg VERSION=$VERSION \
-        --build-arg MYGET_API_KEY=$MYGET_API_KEY \
-        --tag ${MAJOR_MINOR_PATCH_PRE} \
-        --tag ${LATEST} \
-        .
+    docker tag $LOCAL $MAJOR_MINOR_PATCH_PRE
 fi
 
-docker images --filter=reference="${LATEST}"
+docker images --filter=reference="${REMOTE_IMAGE}"